23050531 has 24 divisors (see below), whose sum is σ = 28383264. Its totient is φ = 18627840.

The previous prime is 23050529. The next prime is 23050543. The reversal of 23050531 is 13505032.

It is not a de Polignac number, because 23050531 - 2¹ = 23050529 is a prime.

It is a super-2 number, since 2×23050531² = 1062653958763922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23050499 and 23050508.

It is not an unprimeable number, because it can be changed into a prime (23050501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127261 + ... + 127441.

It is an arithmetic number, because the mean of its divisors is an integer number (1182636).

Almost surely, 2^23050531 is an apocalyptic number.

23050531 is a deficient number, since it is larger than the sum of its proper divisors (5332733).

23050531 is a wasteful number, since it uses less digits than its factorization.

23050531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 23050531 is about 4801.0968538450. The cubic root of 23050531 is about 284.5948115095.

Adding to 23050531 its reverse (13505032), we get a palindrome (36555563).

The spelling of 23050531 in words is "twenty-three million, fifty thousand, five hundred thirty-one".