130623251 has 6 divisors (see below), whose sum is σ = 143577756. Its totient is φ = 118748300.

The previous prime is 130623239. The next prime is 130623263. The reversal of 130623251 is 152326031.

It is an interprime number because it is at equal distance from previous prime (130623239) and next prime (130623263).

It is not a de Polignac number, because 130623251 - 2²⁶ = 63514387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130623211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 539645 + ... + 539886.

It is an arithmetic number, because the mean of its divisors is an integer number (23929626).

Almost surely, 2^130623251 is an apocalyptic number.

130623251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130623251 is a deficient number, since it is larger than the sum of its proper divisors (12954505).

130623251 is a wasteful number, since it uses less digits than its factorization.

130623251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079553 (or 1079542 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 130623251 is about 11429.0529353923. The cubic root of 130623251 is about 507.3879662425.

Adding to 130623251 its reverse (152326031), we get a palindrome (282949282).

The spelling of 130623251 in words is "one hundred thirty million, six hundred twenty-three thousand, two hundred fifty-one".