1103423153 has 4 divisors (see below), whose sum is σ = 1261055040. Its totient is φ = 945791268.

The previous prime is 1103423149. The next prime is 1103423159. The reversal of 1103423153 is 3513243011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3513243011 = 43093 ⋅81527.

It is a cyclic number.

It is not a de Polignac number, because 1103423153 - 2² = 1103423149 is a prime.

It is a super-2 number, since 2×1103423153² = 2435085309152922818, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1103423159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78815933 + ... + 78815946.

It is an arithmetic number, because the mean of its divisors is an integer number (315263760).

Almost surely, 2^1103423153 is an apocalyptic number.

It is an amenable number.

1103423153 is a deficient number, since it is larger than the sum of its proper divisors (157631887).

1103423153 is an equidigital number, since it uses as much as digits as its factorization.

1103423153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157631886.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1103423153 is about 33217.8137901940. The cubic root of 1103423153 is about 1033.3498104784.

Adding to 1103423153 its reverse (3513243011), we get a palindrome (4616666164).

The spelling of 1103423153 in words is "one billion, one hundred three million, four hundred twenty-three thousand, one hundred fifty-three".