125251501323 has 16 divisors (see below), whose sum is σ = 186049977120. Its totient is φ = 74419989504.

The previous prime is 125251501303. The next prime is 125251501337. The reversal of 125251501323 is 323105152521.

It is not a de Polignac number, because 125251501323 - 2¹⁰ = 125251500299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125251501303) 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, 55370886 + ... + 55373147.

It is an arithmetic number, because the mean of its divisors is an integer number (11628123570).

Almost surely, 2^125251501323 is an apocalyptic number.

125251501323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125251501323 is a deficient number, since it is larger than the sum of its proper divisors (60798475797).

125251501323 is a wasteful number, since it uses less digits than its factorization.

125251501323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110744078.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 125251501323 its reverse (323105152521), we get a palindrome (448356653844).

The spelling of 125251501323 in words is "one hundred twenty-five billion, two hundred fifty-one million, five hundred one thousand, three hundred twenty-three".