156412310123 has 4 divisors (see below), whose sum is σ = 156569194080. Its totient is φ = 156255426168.

The previous prime is 156412310107. The next prime is 156412310141. The reversal of 156412310123 is 321013214651.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321013214651 = 463 ⋅693333077.

It is a cyclic number.

It is not a de Polignac number, because 156412310123 - 2⁴ = 156412310107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156412312123) 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, 78440483 + ... + 78442476.

It is an arithmetic number, because the mean of its divisors is an integer number (39142298520).

Almost surely, 2^156412310123 is an apocalyptic number.

156412310123 is a deficient number, since it is larger than the sum of its proper divisors (156883957).

156412310123 is an equidigital number, since it uses as much as digits as its factorization.

156412310123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156883956.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 156412310123 its reverse (321013214651), we get a palindrome (477425524774).

The spelling of 156412310123 in words is "one hundred fifty-six billion, four hundred twelve million, three hundred ten thousand, one hundred twenty-three".