23518574542 has 32 divisors (see below), whose sum is σ = 36857399040. Its totient is φ = 11246558400.

The previous prime is 23518574531. The next prime is 23518574557. The reversal of 23518574542 is 24547581532.

It is a super-2 number, since 2×23518574542² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23518574492 and 23518574501.

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, 859167 + ... + 886117.

It is an arithmetic number, because the mean of its divisors is an integer number (1151793720).

Almost surely, 2^23518574542 is an apocalyptic number.

23518574542 is a deficient number, since it is larger than the sum of its proper divisors (13338824498).

23518574542 is a wasteful number, since it uses less digits than its factorization.

23518574542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27208.

The product of its digits is 1344000, while the sum is 46.

The spelling of 23518574542 in words is "twenty-three billion, five hundred eighteen million, five hundred seventy-four thousand, five hundred forty-two".