25423355132 has 12 divisors (see below), whose sum is σ = 50846710320. Its totient is φ = 10895723616.

The previous prime is 25423355123. The next prime is 25423355189. The reversal of 25423355132 is 23155332452.

25423355132 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 25423355092 and 25423355101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453988457 + ... + 453988512.

It is an arithmetic number, because the mean of its divisors is an integer number (4237225860).

Almost surely, 2^25423355132 is an apocalyptic number.

It is an amenable number.

25423355132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25423355132 is a wasteful number, since it uses less digits than its factorization.

25423355132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907976980 (or 907976978 counting only the distinct ones).

The product of its digits is 108000, while the sum is 35.

Adding to 25423355132 its reverse (23155332452), we get a palindrome (48578687584).

The spelling of 25423355132 in words is "twenty-five billion, four hundred twenty-three million, three hundred fifty-five thousand, one hundred thirty-two".