23514225021 has 32 divisors (see below), whose sum is σ = 39835008000. Its totient is φ = 13429085040.

The previous prime is 23514225011. The next prime is 23514225071. The reversal of 23514225021 is 12052241532.

23514225021 is a `hidden beast` number, since 2 + 351 + 42 + 250 + 21 = 666.

It is not a de Polignac number, because 23514225021 - 2⁵ = 23514224989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23514225001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307930 + ... + 376628.

It is an arithmetic number, because the mean of its divisors is an integer number (1244844000).

Almost surely, 2^23514225021 is an apocalyptic number.

23514225021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23514225021 is a deficient number, since it is larger than the sum of its proper divisors (16320782979).

23514225021 is a wasteful number, since it uses less digits than its factorization.

23514225021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70526 (or 70520 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 23514225021 its reverse (12052241532), we get a palindrome (35566466553).

The spelling of 23514225021 in words is "twenty-three billion, five hundred fourteen million, two hundred twenty-five thousand, twenty-one".