23311094172 has 24 divisors (see below), whose sum is σ = 54424169856. Its totient is φ = 7765848048.

The previous prime is 23311094171. The next prime is 23311094173. The reversal of 23311094172 is 27149011332.

It is an interprime number because it is at equal distance from previous prime (23311094171) and next prime (23311094173).

It is a super-2 number, since 2×23311094172² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311094171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543048 + ... + 584399.

It is an arithmetic number, because the mean of its divisors is an integer number (2267673744).

Almost surely, 2^23311094172 is an apocalyptic number.

It is an amenable number.

23311094172 is an abundant number, since it is smaller than the sum of its proper divisors (31113075684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23311094172 is a wasteful number, since it uses less digits than its factorization.

23311094172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129177 (or 1129175 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

It can be divided in two parts, 233 and 11094172, that added together give a triangular number (11094405 = T₄₇₁₀).

The spelling of 23311094172 in words is "twenty-three billion, three hundred eleven million, ninety-four thousand, one hundred seventy-two".