23001653531 has 4 divisors (see below), whose sum is σ = 24354691992. Its totient is φ = 21648615072.

The previous prime is 23001653527. The next prime is 23001653533. The reversal of 23001653531 is 13535610032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23001653531 - 2² = 23001653527 is a prime.

It is a super-2 number, since 2×23001653531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23001653494 and 23001653503.

It is not an unprimeable number, because it can be changed into a prime (23001653533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676519205 + ... + 676519238.

It is an arithmetic number, because the mean of its divisors is an integer number (6088672998).

Almost surely, 2^23001653531 is an apocalyptic number.

23001653531 is a deficient number, since it is larger than the sum of its proper divisors (1353038461).

23001653531 is a wasteful number, since it uses less digits than its factorization.

23001653531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353038460.

The product of its (nonzero) digits is 8100, while the sum is 29.

The spelling of 23001653531 in words is "twenty-three billion, one million, six hundred fifty-three thousand, five hundred thirty-one".