23025220515 has 64 divisors (see below), whose sum is σ = 44731008000. Its totient is φ = 11144736000.

The previous prime is 23025220513. The next prime is 23025220531. The reversal of 23025220515 is 51502252032.

It is not a de Polignac number, because 23025220515 - 2¹ = 23025220513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23025220513) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 879586 + ... + 905384.

It is an arithmetic number, because the mean of its divisors is an integer number (698922000).

Almost surely, 2^23025220515 is an apocalyptic number.

23025220515 is a deficient number, since it is larger than the sum of its proper divisors (21705787485).

23025220515 is a wasteful number, since it uses less digits than its factorization.

23025220515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26425 (or 26419 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 23025220515 its reverse (51502252032), we get a palindrome (74527472547).

The spelling of 23025220515 in words is "twenty-three billion, twenty-five million, two hundred twenty thousand, five hundred fifteen".