623365053572413 has 4 divisors (see below), whose sum is σ = 656173740602560. Its totient is φ = 590556366542268.

The previous prime is 623365053572369. The next prime is 623365053572491. The reversal of 623365053572413 is 314275350563326.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 623365053572413 - 2¹³ = 623365053564221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623365053572213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16404343515045 + ... + 16404343515082.

It is an arithmetic number, because the mean of its divisors is an integer number (164043435150640).

Almost surely, 2^{623365053572413} is an apocalyptic number.

It is an amenable number.

623365053572413 is a deficient number, since it is larger than the sum of its proper divisors (32808687030147).

623365053572413 is a wasteful number, since it uses less digits than its factorization.

623365053572413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32808687030146.

The product of its (nonzero) digits is 40824000, while the sum is 55.

The spelling of 623365053572413 in words is "six hundred twenty-three trillion, three hundred sixty-five billion, fifty-three million, five hundred seventy-two thousand, four hundred thirteen".