23578912356690 has 16 divisors (see below), whose sum is σ = 56589389656128. Its totient is φ = 6287709961776.

The previous prime is 23578912356683. The next prime is 23578912356697. The reversal of 23578912356690 is 9665321987532.

It is an interprime number because it is at equal distance from previous prime (23578912356683) and next prime (23578912356697).

It is a super-2 number, since 2×23578912356690² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23578912356697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392981872582 + ... + 392981872641.

It is an arithmetic number, because the mean of its divisors is an integer number (3536836853508).

Almost surely, 2^{23578912356690} is an apocalyptic number.

23578912356690 is an abundant number, since it is smaller than the sum of its proper divisors (33010477299438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23578912356690 is a wasteful number, since it uses less digits than its factorization.

23578912356690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785963745233.

The product of its (nonzero) digits is 146966400, while the sum is 66.

The spelling of 23578912356690 in words is "twenty-three trillion, five hundred seventy-eight billion, nine hundred twelve million, three hundred fifty-six thousand, six hundred ninety".