23942501 has 4 divisors (see below), whose sum is σ = 26119104. Its totient is φ = 21765900.

The previous prime is 23942491. The next prime is 23942521. The reversal of 23942501 is 10524932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23942501 - 2⁶ = 23942437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23942521) 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, 1088285 + ... + 1088306.

It is an arithmetic number, because the mean of its divisors is an integer number (6529776).

Almost surely, 2^23942501 is an apocalyptic number.

It is an amenable number.

23942501 is a deficient number, since it is larger than the sum of its proper divisors (2176603).

23942501 is a wasteful number, since it uses less digits than its factorization.

23942501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176602.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 23942501 is about 4893.1074993301. The cubic root of 23942501 is about 288.2193745550.

Subtracting from 23942501 its reverse (10524932), we obtain a square (13417569 = 3663²).

The spelling of 23942501 in words is "twenty-three million, nine hundred forty-two thousand, five hundred one".