23040312542 has 32 divisors (see below), whose sum is σ = 37383413760. Its totient is φ = 10587114720.

The previous prime is 23040312527. The next prime is 23040312553. The reversal of 23040312542 is 24521304032.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 6560567 + ... + 6564077.

It is an arithmetic number, because the mean of its divisors is an integer number (1168231680).

Almost surely, 2^23040312542 is an apocalyptic number.

23040312542 is a deficient number, since it is larger than the sum of its proper divisors (14343101218).

23040312542 is a wasteful number, since it uses less digits than its factorization.

23040312542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 23040312542 its reverse (24521304032), we get a palindrome (47561616574).

The spelling of 23040312542 in words is "twenty-three billion, forty million, three hundred twelve thousand, five hundred forty-two".