172303723904652 has 96 divisors (see below), whose sum is σ = 466154602421760. Its totient is φ = 54935188862400.

The previous prime is 172303723904651. The next prime is 172303723904659. The reversal of 172303723904652 is 256409327303271.

172303723904652 is a `hidden beast` number, since 1 + 7 + 23 + 0 + 3 + 72 + 3 + 90 + 465 + 2 = 666.

172303723904652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×172303723904652² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (172303723904651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60334258 + ... + 63125510.

It is an arithmetic number, because the mean of its divisors is an integer number (4855777108560).

Almost surely, 2^{172303723904652} is an apocalyptic number.

172303723904652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172303723904652 is an abundant number, since it is smaller than the sum of its proper divisors (293850878517108).

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

172303723904652 is a wasteful number, since it uses less digits than its factorization.

172303723904652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816140 (or 2816132 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 54.

The spelling of 172303723904652 in words is "one hundred seventy-two trillion, three hundred three billion, seven hundred twenty-three million, nine hundred four thousand, six hundred fifty-two".