623545053056413 has 8 divisors (see below), whose sum is σ = 625351385929248. Its totient is φ = 621738774052464.

The previous prime is 623545053056381. The next prime is 623545053056441. The reversal of 623545053056413 is 314650350545326.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 623545053056413 - 2⁵ = 623545053056381 is a prime.

It is a super-2 number, since 2×623545053056413² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623545053056713) 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, 9774795 + ... + 36642007.

It is an arithmetic number, because the mean of its divisors is an integer number (78168923241156).

Almost surely, 2^{623545053056413} is an apocalyptic number.

It is an amenable number.

623545053056413 is a deficient number, since it is larger than the sum of its proper divisors (1806332872835).

623545053056413 is a wasteful number, since it uses less digits than its factorization.

623545053056413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26934443.

The product of its (nonzero) digits is 19440000, while the sum is 52.

The spelling of 623545053056413 in words is "six hundred twenty-three trillion, five hundred forty-five billion, fifty-three million, fifty-six thousand, four hundred thirteen".