23690690532 has 72 divisors (see below), whose sum is σ = 60817594656. Its totient is φ = 7774043904.

The previous prime is 23690690519. The next prime is 23690690537. The reversal of 23690690532 is 23509609632.

23690690532 is a `hidden beast` number, since 23 + 6 + 9 + 0 + 6 + 90 + 532 = 666.

It is a super-2 number, since 2×23690690532² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23690690537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6831463 + ... + 6834929.

Almost surely, 2^23690690532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23690690532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30408797328).

23690690532 is an abundant number, since it is smaller than the sum of its proper divisors (37126904124).

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

23690690532 is a wasteful number, since it uses less digits than its factorization.

23690690532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6377 (or 6372 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 45.

The spelling of 23690690532 in words is "twenty-three billion, six hundred ninety million, six hundred ninety thousand, five hundred thirty-two".