23577982 has 4 divisors (see below), whose sum is σ = 35366976. Its totient is φ = 11788990.

The previous prime is 23577979. The next prime is 23577989. The reversal of 23577982 is 28977532.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23577989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5894494 + ... + 5894497.

It is an arithmetic number, because the mean of its divisors is an integer number (8841744).

Almost surely, 2^23577982 is an apocalyptic number.

23577982 is a deficient number, since it is larger than the sum of its proper divisors (11788994).

23577982 is a wasteful number, since it uses less digits than its factorization.

23577982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11788993.

The product of its digits is 211680, while the sum is 43.

The square root of 23577982 is about 4855.7164249985. The cubic root of 23577982 is about 286.7491971376.

The spelling of 23577982 in words is "twenty-three million, five hundred seventy-seven thousand, nine hundred eighty-two".