23425137 has 6 divisors (see below), whose sum is σ = 33836322. Its totient is φ = 15616752.

The previous prime is 23425123. The next prime is 23425139. The reversal of 23425137 is 73152432.

It can be written as a sum of positive squares in only one way, i.e., 23415921 + 9216 = 4839^2 + 96^2 .

It is not a de Polignac number, because 23425137 - 2⁸ = 23424881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23425137.

It is not an unprimeable number, because it can be changed into a prime (23425139) 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, 1301388 + ... + 1301405.

It is an arithmetic number, because the mean of its divisors is an integer number (5639387).

Almost surely, 2^23425137 is an apocalyptic number.

It is an amenable number.

23425137 is a deficient number, since it is larger than the sum of its proper divisors (10411185).

23425137 is a wasteful number, since it uses less digits than its factorization.

23425137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602799 (or 2602796 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 23425137 is about 4839.9521691851. The cubic root of 23425137 is about 286.1282332027.

Adding to 23425137 its reverse (73152432), we get a palindrome (96577569).

The spelling of 23425137 in words is "twenty-three million, four hundred twenty-five thousand, one hundred thirty-seven".