23540426530 has 16 divisors (see below), whose sum is σ = 42792301944. Its totient is φ = 9322940800.

The previous prime is 23540426527. The next prime is 23540426537. The reversal of 23540426530 is 3562404532.

It can be written as a sum of positive squares in 4 ways, for example, as 18903225121 + 4637201409 = 137489^2 + 68097^2 .

It is not an unprimeable number, because it can be changed into a prime (23540426537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11652667 + ... + 11654686.

Almost surely, 2^23540426530 is an apocalyptic number.

23540426530 is a deficient number, since it is larger than the sum of its proper divisors (19251875414).

23540426530 is a wasteful number, since it uses less digits than its factorization.

23540426530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23307461.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 23540426530 in words is "twenty-three billion, five hundred forty million, four hundred twenty-six thousand, five hundred thirty".