23571696901 has 16 divisors (see below), whose sum is σ = 24974714880. Its totient is φ = 22201003440.

The previous prime is 23571696887. The next prime is 23571696937. The reversal of 23571696901 is 10969617532.

It is a cyclic number.

It is not a de Polignac number, because 23571696901 - 2²¹ = 23569599749 is a prime.

It is a super-2 number, since 2×23571696901² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23571666901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1335190 + ... + 1352728.

It is an arithmetic number, because the mean of its divisors is an integer number (1560919680).

Almost surely, 2^23571696901 is an apocalyptic number.

It is an amenable number.

23571696901 is a deficient number, since it is larger than the sum of its proper divisors (1403017979).

23571696901 is a wasteful number, since it uses less digits than its factorization.

23571696901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18456.

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 23571696901 in words is "twenty-three billion, five hundred seventy-one million, six hundred ninety-six thousand, nine hundred one".