623430551550132 has 18 divisors (see below), whose sum is σ = 1575893894196258. Its totient is φ = 207810183850032.

The previous prime is 623430551550113. The next prime is 623430551550193. The reversal of 623430551550132 is 231055155034326.

623430551550132 is a `hidden beast` number, since 6 + 2 + 3 + 4 + 30 + 5 + 51 + 550 + 13 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 589873718483856 + 33556833066276 = 24287316^2 + 5792826^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×623430551550132² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8658757660383 + ... + 8658757660454.

It is an arithmetic number, because the mean of its divisors is an integer number (87549660788681).

Almost surely, 2^{623430551550132} is an apocalyptic number.

It is an amenable number.

623430551550132 is an abundant number, since it is smaller than the sum of its proper divisors (952463342646126).

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

623430551550132 is a wasteful number, since it uses less digits than its factorization.

623430551550132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17317515320847 (or 17317515320842 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

The spelling of 623430551550132 in words is "six hundred twenty-three trillion, four hundred thirty billion, five hundred fifty-one million, five hundred fifty thousand, one hundred thirty-two".