23920275042 has 12 divisors (see below), whose sum is σ = 51827262630. Its totient is φ = 7973425008.

The previous prime is 23920275031. The next prime is 23920275053. The reversal of 23920275042 is 24057202932.

It is an interprime number because it is at equal distance from previous prime (23920275031) and next prime (23920275053).

It can be written as a sum of positive squares in only one way, i.e., 17940191481 + 5980083561 = 133941^2 + 77331^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23920274988 and 23920275006.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 664452067 + ... + 664452102.

Almost surely, 2^23920275042 is an apocalyptic number.

23920275042 is an abundant number, since it is smaller than the sum of its proper divisors (27906987588).

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

23920275042 is a wasteful number, since it uses less digits than its factorization.

23920275042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328904177 (or 1328904174 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 23920275042 its reverse (24057202932), we get a palindrome (47977477974).

The spelling of 23920275042 in words is "twenty-three billion, nine hundred twenty million, two hundred seventy-five thousand, forty-two".