23953497061 has 12 divisors (see below), whose sum is σ = 25960175040. Its totient is φ = 22091855760.

The previous prime is 23953497059. The next prime is 23953497083. The reversal of 23953497061 is 16079435932.

It is not a de Polignac number, because 23953497061 - 2¹ = 23953497059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23953496996 and 23953497014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23953492061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137380 + ... + 258418.

It is an arithmetic number, because the mean of its divisors is an integer number (2163347920).

Almost surely, 2^23953497061 is an apocalyptic number.

It is an amenable number.

23953497061 is a deficient number, since it is larger than the sum of its proper divisors (2006677979).

23953497061 is a wasteful number, since it uses less digits than its factorization.

23953497061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122236 (or 122223 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 23953497061 in words is "twenty-three billion, nine hundred fifty-three million, four hundred ninety-seven thousand, sixty-one".