23211041157 has 16 divisors (see below), whose sum is σ = 34389761280. Its totient is φ = 15472662336.

The previous prime is 23211041149. The next prime is 23211041173. The reversal of 23211041157 is 75114011232.

23211041157 is a `hidden beast` number, since 232 + 1 + 10 + 411 + 5 + 7 = 666.

It is not a de Polignac number, because 23211041157 - 2³ = 23211041149 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23211041157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211041197) 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, 343588 + ... + 405554.

It is an arithmetic number, because the mean of its divisors is an integer number (2149360080).

Almost surely, 2^23211041157 is an apocalyptic number.

23211041157 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

23211041157 is a deficient number, since it is larger than the sum of its proper divisors (11178720123).

23211041157 is a wasteful number, since it uses less digits than its factorization.

23211041157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75849 (or 75843 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

Adding to 23211041157 its reverse (75114011232), we get a palindrome (98325052389).

The spelling of 23211041157 in words is "twenty-three billion, two hundred eleven million, forty-one thousand, one hundred fifty-seven".