23142756 has 48 divisors (see below), whose sum is σ = 66464384. Its totient is φ = 6103296.

The previous prime is 23142751. The next prime is 23142767. The reversal of 23142756 is 65724132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23142751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9505 + ... + 11688.

Almost surely, 2^23142756 is an apocalyptic number.

23142756 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23142756 is an abundant number, since it is smaller than the sum of its proper divisors (43321628).

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

23142756 is a wasteful number, since it uses less digits than its factorization.

23142756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21220 (or 21218 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 23142756 is about 4810.6918421366. The cubic root of 23142756 is about 284.9738603296.

Adding to 23142756 its reverse (65724132), we get a palindrome (88866888).

The spelling of 23142756 in words is "twenty-three million, one hundred forty-two thousand, seven hundred fifty-six".