23142552 has 32 divisors (see below), whose sum is σ = 58190400. Its totient is φ = 7669664.

The previous prime is 23142541. The next prime is 23142563. The reversal of 23142552 is 25524132.

It is an interprime number because it is at equal distance from previous prime (23142541) and next prime (23142563).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1603 + ... + 6989.

It is an arithmetic number, because the mean of its divisors is an integer number (1818450).

Almost surely, 2^23142552 is an apocalyptic number.

It is an amenable number.

23142552 is an abundant number, since it is smaller than the sum of its proper divisors (35047848).

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

23142552 is a wasteful number, since it uses less digits than its factorization.

23142552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575 (or 5571 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 23142552 is about 4810.6706393184. The cubic root of 23142552 is about 284.9730229929.

Adding to 23142552 its reverse (25524132), we get a palindrome (48666684).

The spelling of 23142552 in words is "twenty-three million, one hundred forty-two thousand, five hundred fifty-two".