1002423111 has 4 divisors (see below), whose sum is σ = 1336564152. Its totient is φ = 668282072.

The previous prime is 1002423083. The next prime is 1002423143. The reversal of 1002423111 is 1113242001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1113242001 = 3 ⋅371080667.

It is a cyclic number.

It is not a de Polignac number, because 1002423111 - 2⁷ = 1002422983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002423151) 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, 167070516 + ... + 167070521.

It is an arithmetic number, because the mean of its divisors is an integer number (334141038).

Almost surely, 2^1002423111 is an apocalyptic number.

1002423111 is a deficient number, since it is larger than the sum of its proper divisors (334141041).

1002423111 is an equidigital number, since it uses as much as digits as its factorization.

1002423111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334141040.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1002423111 is about 31661.0661696665. The cubic root of 1002423111 is about 1000.8070521583.

Adding to 1002423111 its reverse (1113242001), we get a palindrome (2115665112).

The spelling of 1002423111 in words is "one billion, two million, four hundred twenty-three thousand, one hundred eleven".