23515330342 has 48 divisors (see below), whose sum is σ = 43131966048. Its totient is φ = 9386496000.

The previous prime is 23515330337. The next prime is 23515330343. The reversal of 23515330342 is 24303351532.

It is a super-2 number, since 2×23515330342² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23515330343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2234092 + ... + 2244592.

It is an arithmetic number, because the mean of its divisors is an integer number (898582626).

Almost surely, 2^23515330342 is an apocalyptic number.

23515330342 is a deficient number, since it is larger than the sum of its proper divisors (19616635706).

23515330342 is a wasteful number, since it uses less digits than its factorization.

23515330342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10721 (or 10624 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 23515330342 its reverse (24303351532), we get a palindrome (47818681874).

The spelling of 23515330342 in words is "twenty-three billion, five hundred fifteen million, three hundred thirty thousand, three hundred forty-two".