25151423 has 12 divisors (see below), whose sum is σ = 27914040. Its totient is φ = 22643280.

The previous prime is 25151417. The next prime is 25151437. The reversal of 25151423 is 32415152.

It is not a de Polignac number, because 25151423 - 2⁶ = 25151359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25151473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12236 + ... + 14142.

It is an arithmetic number, because the mean of its divisors is an integer number (2326170).

Almost surely, 2^25151423 is an apocalyptic number.

25151423 is a deficient number, since it is larger than the sum of its proper divisors (2762617).

25151423 is a wasteful number, since it uses less digits than its factorization.

25151423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038 (or 2027 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 25151423 is about 5015.1194402526. The cubic root of 25151423 is about 292.9909372961.

Adding to 25151423 its reverse (32415152), we get a palindrome (57566575).

The spelling of 25151423 in words is "twenty-five million, one hundred fifty-one thousand, four hundred twenty-three".