107523531 has 20 divisors (see below), whose sum is σ = 165806784. Its totient is φ = 69368400.

The previous prime is 107523529. The next prime is 107523553. The reversal of 107523531 is 135325701.

107523531 is a `hidden beast` number, since 107 + 5 + 23 + 531 = 666.

It is not a de Polignac number, because 107523531 - 2¹ = 107523529 is a prime.

It is a super-2 number, since 2×107523531² = 23122619437415922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 107523495 and 107523504.

It is not an unprimeable number, because it can be changed into a prime (107523511) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18900 + ... + 23921.

Almost surely, 2^107523531 is an apocalyptic number.

107523531 is a deficient number, since it is larger than the sum of its proper divisors (58283253).

107523531 is an equidigital number, since it uses as much as digits as its factorization.

107523531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42864 (or 42855 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 107523531 is about 10369.3553801574. The cubic root of 107523531 is about 475.5189615183.

The spelling of 107523531 in words is "one hundred seven million, five hundred twenty-three thousand, five hundred thirty-one".