25423100204 has 6 divisors (see below), whose sum is σ = 44490425364. Its totient is φ = 12711550100.

The previous prime is 25423100201. The next prime is 25423100207. The reversal of 25423100204 is 40200132452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25423100201) and next prime (25423100207).

It is a self number, because there is not a number n which added to its sum of digits gives 25423100204.

It is not an unprimeable number, because it can be changed into a prime (25423100201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3177887522 + ... + 3177887529.

It is an arithmetic number, because the mean of its divisors is an integer number (7415070894).

Almost surely, 2^25423100204 is an apocalyptic number.

It is an amenable number.

25423100204 is a deficient number, since it is larger than the sum of its proper divisors (19067325160).

25423100204 is a wasteful number, since it uses less digits than its factorization.

25423100204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6355775055 (or 6355775053 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 25423100204 its reverse (40200132452), we get a palindrome (65623232656).

The spelling of 25423100204 in words is "twenty-five billion, four hundred twenty-three million, one hundred thousand, two hundred four".