23315555542 has 32 divisors (see below), whose sum is σ = 35768335680. Its totient is φ = 11395399680.

The previous prime is 23315555509. The next prime is 23315555621. The reversal of 23315555542 is 24555551332.

It is a junction number, because it is equal to n+sod(n) for n = 23315555495 and 23315555504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24110743 + ... + 24111709.

It is an arithmetic number, because the mean of its divisors is an integer number (1117760490).

Almost surely, 2^23315555542 is an apocalyptic number.

23315555542 is a deficient number, since it is larger than the sum of its proper divisors (12452780138).

23315555542 is a wasteful number, since it uses less digits than its factorization.

23315555542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056.

The product of its digits is 450000, while the sum is 40.

The spelling of 23315555542 in words is "twenty-three billion, three hundred fifteen million, five hundred fifty-five thousand, five hundred forty-two".