25640092023 has 16 divisors (see below), whose sum is σ = 42076048896. Its totient is φ = 13524444000.

The previous prime is 25640092021. The next prime is 25640092061. The reversal of 25640092023 is 32029004652.

It is not a de Polignac number, because 25640092023 - 2¹ = 25640092021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25640092021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46959603 + ... + 46960148.

It is an arithmetic number, because the mean of its divisors is an integer number (2629753056).

Almost surely, 2^25640092023 is an apocalyptic number.

25640092023 is a deficient number, since it is larger than the sum of its proper divisors (16435956873).

25640092023 is a wasteful number, since it uses less digits than its factorization.

25640092023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93919774.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 25640092023 its reverse (32029004652), we get a palindrome (57669096675).

The spelling of 25640092023 in words is "twenty-five billion, six hundred forty million, ninety-two thousand, twenty-three".