23148254021 has 16 divisors (see below), whose sum is σ = 25967001600. Its totient is φ = 20530124208.

The previous prime is 23148254011. The next prime is 23148254023. The reversal of 23148254021 is 12045284132.

It is a de Polignac number, because none of the positive numbers 2^k-23148254021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23148254023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542981 + ... + 584058.

It is an arithmetic number, because the mean of its divisors is an integer number (1622937600).

Almost surely, 2^23148254021 is an apocalyptic number.

It is an amenable number.

23148254021 is a deficient number, since it is larger than the sum of its proper divisors (2818747579).

23148254021 is a wasteful number, since it uses less digits than its factorization.

23148254021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127128.

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 23148254021 in words is "twenty-three billion, one hundred forty-eight million, two hundred fifty-four thousand, twenty-one".