23261142 has 16 divisors (see below), whose sum is σ = 48545280. Its totient is φ = 7416552.

The previous prime is 23261137. The next prime is 23261159. The reversal of 23261142 is 24116232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84142 + ... + 84417.

It is an arithmetic number, because the mean of its divisors is an integer number (3034080).

Almost surely, 2^23261142 is an apocalyptic number.

23261142 is an abundant number, since it is smaller than the sum of its proper divisors (25284138).

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

23261142 is a wasteful number, since it uses less digits than its factorization.

23261142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168587.

The product of its digits is 576, while the sum is 21.

The square root of 23261142 is about 4822.9806136869. The cubic root of 23261142 is about 285.4589588729.

Adding to 23261142 its reverse (24116232), we get a palindrome (47377374).

The spelling of 23261142 in words is "twenty-three million, two hundred sixty-one thousand, one hundred forty-two".