23050530 has 24 divisors (see below), whose sum is σ = 59931612. Its totient is φ = 6146784.

The previous prime is 23050529. The next prime is 23050543. The reversal of 23050530 is 3505032.

It can be written as a sum of positive squares in 2 ways, for example, as 20985561 + 2064969 = 4581^2 + 1437^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127969 + ... + 128148.

Almost surely, 2^23050530 is an apocalyptic number.

23050530 is an abundant number, since it is smaller than the sum of its proper divisors (36881082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23050530 is a wasteful number, since it uses less digits than its factorization.

23050530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256130 (or 256127 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 23050530 is about 4801.0967497021. The cubic root of 23050530 is about 284.5948073940.

Adding to 23050530 its reverse (3505032), we get a palindrome (26555562).

The spelling of 23050530 in words is "twenty-three million, fifty thousand, five hundred thirty".