23909954442 has 32 divisors (see below), whose sum is σ = 52226783424. Its totient is φ = 7237161600.

The previous prime is 23909954413. The next prime is 23909954447. The reversal of 23909954442 is 24445990932.

It is not an unprimeable number, because it can be changed into a prime (23909954447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148659 + ... + 264422.

It is an arithmetic number, because the mean of its divisors is an integer number (1632086982).

Almost surely, 2^23909954442 is an apocalyptic number.

23909954442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23909954442 is an abundant number, since it is smaller than the sum of its proper divisors (28316828982).

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

23909954442 is a wasteful number, since it uses less digits than its factorization.

23909954442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413974.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 23909954442 in words is "twenty-three billion, nine hundred nine million, nine hundred fifty-four thousand, four hundred forty-two".