23131035 has 16 divisors (see below), whose sum is σ = 41122080. Its totient is φ = 12336480.

The previous prime is 23131027. The next prime is 23131057. The reversal of 23131035 is 53013132.

It is not a de Polignac number, because 23131035 - 2³ = 23131027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23130999 and 23131017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85536 + ... + 85805.

It is an arithmetic number, because the mean of its divisors is an integer number (2570130).

Almost surely, 2^23131035 is an apocalyptic number.

23131035 is a deficient number, since it is larger than the sum of its proper divisors (17991045).

23131035 is a wasteful number, since it uses less digits than its factorization.

23131035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171355 (or 171349 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 23131035 is about 4809.4734639043. The cubic root of 23131035 is about 284.9257424265.

Adding to 23131035 its reverse (53013132), we get a palindrome (76144167).

The spelling of 23131035 in words is "twenty-three million, one hundred thirty-one thousand, thirty-five".