23612420906 has 12 divisors (see below), whose sum is σ = 36377928162. Its totient is φ = 11486480616.

The previous prime is 23612420903. The next prime is 23612420911. The reversal of 23612420906 is 60902421632.

It can be written as a sum of positive squares in only one way, i.e., 15635251681 + 7977169225 = 125041^2 + 89315^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23612420903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1312931 + ... + 1330793.

Almost surely, 2^23612420906 is an apocalyptic number.

23612420906 is a deficient number, since it is larger than the sum of its proper divisors (12765507256).

23612420906 is an frugal number, since it uses more digits than its factorization.

23612420906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35765 (or 17902 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 23612420906 in words is "twenty-three billion, six hundred twelve million, four hundred twenty thousand, nine hundred six".