23156064142 has 24 divisors (see below), whose sum is σ = 36926160336. Its totient is φ = 10888552224.

The previous prime is 23156064121. The next prime is 23156064193. The reversal of 23156064142 is 24146065132.

It is a junction number, because it is equal to n+sod(n) for n = 23156064098 and 23156064107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18138 + ... + 215965.

It is an arithmetic number, because the mean of its divisors is an integer number (1538590014).

Almost surely, 2^23156064142 is an apocalyptic number.

23156064142 is a deficient number, since it is larger than the sum of its proper divisors (13770096194).

23156064142 is a wasteful number, since it uses less digits than its factorization.

23156064142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234280 (or 234261 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 23156064142 in words is "twenty-three billion, one hundred fifty-six million, sixty-four thousand, one hundred forty-two".