1401230123 has 4 divisors (see below), whose sum is σ = 1401310680. Its totient is φ = 1401149568.

The previous prime is 1401230099. The next prime is 1401230147. The reversal of 1401230123 is 3210321041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (1401230099) and next prime (1401230147).

It is a cyclic number.

It is not a de Polignac number, because 1401230123 - 2¹⁰ = 1401229099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401238123) 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, 2165 + ... + 52982.

It is an arithmetic number, because the mean of its divisors is an integer number (350327670).

Almost surely, 2^1401230123 is an apocalyptic number.

1401230123 is a deficient number, since it is larger than the sum of its proper divisors (80557).

1401230123 is an equidigital number, since it uses as much as digits as its factorization.

1401230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80556.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1401230123 is about 37433.0084684627. The cubic root of 1401230123 is about 1119.0164949733.

Adding to 1401230123 its reverse (3210321041), we get a palindrome (4611551164).

The spelling of 1401230123 in words is "one billion, four hundred one million, two hundred thirty thousand, one hundred twenty-three".