23473273878864 has 160 divisors (see below), whose sum is σ = 70663315472640. Its totient is φ = 7446240603648.

The previous prime is 23473273878853. The next prime is 23473273878931. The reversal of 23473273878864 is 46887837237432.

23473273878864 is a `hidden beast` number, since 2 + 3 + 473 + 2 + 7 + 3 + 8 + 78 + 86 + 4 = 666.

It is a super-2 number, since 2×23473273878864² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 23473273878792 and 23473273878801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4038667 + ... + 7953450.

It is an arithmetic number, because the mean of its divisors is an integer number (441645721704).

Almost surely, 2^{23473273878864} is an apocalyptic number.

23473273878864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23473273878864 is an abundant number, since it is smaller than the sum of its proper divisors (47190041593776).

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

23473273878864 is a wasteful number, since it uses less digits than its factorization.

23473273878864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11992354 (or 11992342 counting only the distinct ones).

The product of its digits is 1820786688, while the sum is 72.

The spelling of 23473273878864 in words is "twenty-three trillion, four hundred seventy-three billion, two hundred seventy-three million, eight hundred seventy-eight thousand, eight hundred sixty-four".