234423765656 has 8 divisors (see below), whose sum is σ = 439544560620. Its totient is φ = 117211882824.

The previous prime is 234423765637. The next prime is 234423765673. The reversal of 234423765656 is 656567324432.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×234423765656² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234423765598 and 234423765607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14651485346 + ... + 14651485361.

Almost surely, 2^234423765656 is an apocalyptic number.

It is an amenable number.

234423765656 is a deficient number, since it is larger than the sum of its proper divisors (205120794964).

234423765656 is a wasteful number, since it uses less digits than its factorization.

234423765656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29302970713 (or 29302970709 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 53.

The spelling of 234423765656 in words is "two hundred thirty-four billion, four hundred twenty-three million, seven hundred sixty-five thousand, six hundred fifty-six".