2515321012023 has 6 divisors (see below), whose sum is σ = 3633241461824. Its totient is φ = 1676880674676.

The previous prime is 2515321012003. The next prime is 2515321012069. The reversal of 2515321012023 is 3202101235152.

2515321012023 is a `hidden beast` number, since 2 + 5 + 1 + 532 + 1 + 0 + 120 + 2 + 3 = 666.

It is not a de Polignac number, because 2515321012023 - 2⁵ = 2515321011991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515321012003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139740056215 + ... + 139740056232.

Almost surely, 2^{2515321012023} is an apocalyptic number.

2515321012023 is a deficient number, since it is larger than the sum of its proper divisors (1117920449801).

2515321012023 is a wasteful number, since it uses less digits than its factorization.

2515321012023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279480112453 (or 279480112450 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 2515321012023 its reverse (3202101235152), we get a palindrome (5717422247175).

The spelling of 2515321012023 in words is "two trillion, five hundred fifteen billion, three hundred twenty-one million, twelve thousand, twenty-three".