23213152157 has 16 divisors (see below), whose sum is σ = 25116000000. Its totient is φ = 21327292224.

The previous prime is 23213152133. The next prime is 23213152187. The reversal of 23213152157 is 75125131232.

It is a cyclic number.

It is not a de Polignac number, because 23213152157 - 2⁸ = 23213151901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213152117) 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, 2518844 + ... + 2528042.

It is an arithmetic number, because the mean of its divisors is an integer number (1569750000).

Almost surely, 2^23213152157 is an apocalyptic number.

It is an amenable number.

23213152157 is a deficient number, since it is larger than the sum of its proper divisors (1902847843).

23213152157 is a wasteful number, since it uses less digits than its factorization.

23213152157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100.

The product of its digits is 12600, while the sum is 32.

Adding to 23213152157 its reverse (75125131232), we get a palindrome (98338283389).

The spelling of 23213152157 in words is "twenty-three billion, two hundred thirteen million, one hundred fifty-two thousand, one hundred fifty-seven".