23842788 has 12 divisors (see below), whose sum is σ = 55633200. Its totient is φ = 7947592.

The previous prime is 23842783. The next prime is 23842799. The reversal of 23842788 is 88724832.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×23842788² = 1136957079225888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23842781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993438 + ... + 993461.

It is an arithmetic number, because the mean of its divisors is an integer number (4636100).

Almost surely, 2^23842788 is an apocalyptic number.

It is an amenable number.

23842788 is an abundant number, since it is smaller than the sum of its proper divisors (31790412).

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

23842788 is a wasteful number, since it uses less digits than its factorization.

23842788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986906 (or 1986904 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 23842788 is about 4882.9077402712. The cubic root of 23842788 is about 287.8187034128.

The spelling of 23842788 in words is "twenty-three million, eight hundred forty-two thousand, seven hundred eighty-eight".