157130623 has 12 divisors (see below), whose sum is σ = 171510528. Its totient is φ = 143881920.

The previous prime is 157130593. The next prime is 157130651. The reversal of 157130623 is 326031751.

It is not a de Polignac number, because 157130623 - 2¹³ = 157122431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157130591 and 157130600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157130023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17803 + ... + 25123.

It is an arithmetic number, because the mean of its divisors is an integer number (14292544).

Almost surely, 2^157130623 is an apocalyptic number.

157130623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

157130623 is a deficient number, since it is larger than the sum of its proper divisors (14379905).

157130623 is a wasteful number, since it uses less digits than its factorization.

157130623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7474 (or 7461 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 157130623 is about 12535.1754275718. The cubic root of 157130623 is about 539.6186413485.

The spelling of 157130623 in words is "one hundred fifty-seven million, one hundred thirty thousand, six hundred twenty-three".