125556502323 has 16 divisors (see below), whose sum is σ = 191619924480. Its totient is φ = 71635673856.

The previous prime is 125556502301. The next prime is 125556502339. The reversal of 125556502323 is 323205655521.

It is a happy number.

It is not a de Polignac number, because 125556502323 - 2⁸ = 125556502067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125556502823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4606878 + ... + 4634051.

It is an arithmetic number, because the mean of its divisors is an integer number (11976245280).

Almost surely, 2^125556502323 is an apocalyptic number.

125556502323 is a deficient number, since it is larger than the sum of its proper divisors (66063422157).

125556502323 is an equidigital number, since it uses as much as digits as its factorization.

125556502323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9241586.

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 125556502323 in words is "one hundred twenty-five billion, five hundred fifty-six million, five hundred two thousand, three hundred twenty-three".