623225140256139 has 64 divisors (see below), whose sum is σ = 868795413857280. Its totient is φ = 397059818158080.

The previous prime is 623225140256107. The next prime is 623225140256143. The reversal of 623225140256139 is 931652041522326.

It is not a de Polignac number, because 623225140256139 - 2⁵ = 623225140256107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 623225140256091 and 623225140256100.

It is not an unprimeable number, because it can be changed into a prime (623225140256149) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1453341442 + ... + 1453770200.

It is an arithmetic number, because the mean of its divisors is an integer number (13574928341520).

Almost surely, 2^{623225140256139} is an apocalyptic number.

623225140256139 is a deficient number, since it is larger than the sum of its proper divisors (245570273601141).

623225140256139 is a wasteful number, since it uses less digits than its factorization.

623225140256139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429860.

The product of its (nonzero) digits is 4665600, while the sum is 51.

The spelling of 623225140256139 in words is "six hundred twenty-three trillion, two hundred twenty-five billion, one hundred forty million, two hundred fifty-six thousand, one hundred thirty-nine".