23953772 has 6 divisors (see below), whose sum is σ = 41919108. Its totient is φ = 11976884.

The previous prime is 23953771. The next prime is 23953781. The reversal of 23953772 is 27735932.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23953771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2994218 + ... + 2994225.

It is an arithmetic number, because the mean of its divisors is an integer number (6986518).

Almost surely, 2^23953772 is an apocalyptic number.

It is an amenable number.

23953772 is a deficient number, since it is larger than the sum of its proper divisors (17965336).

23953772 is a wasteful number, since it uses less digits than its factorization.

23953772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5988447 (or 5988445 counting only the distinct ones).

The product of its digits is 79380, while the sum is 38.

The square root of 23953772 is about 4894.2590859087. The cubic root of 23953772 is about 288.2645941550.

The spelling of 23953772 in words is "twenty-three million, nine hundred fifty-three thousand, seven hundred seventy-two".