23748819 has 4 divisors (see below), whose sum is σ = 31665096. Its totient is φ = 15832544.

The previous prime is 23748817. The next prime is 23748853. The reversal of 23748819 is 91884732.

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

It is a cyclic number.

It is not a de Polignac number, because 23748819 - 2¹ = 23748817 is a prime.

It is a super-2 number, since 2×23748819² = 1128012807789522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23748817) 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, 3958134 + ... + 3958139.

It is an arithmetic number, because the mean of its divisors is an integer number (7916274).

Almost surely, 2^23748819 is an apocalyptic number.

23748819 is a deficient number, since it is larger than the sum of its proper divisors (7916277).

23748819 is an equidigital number, since it uses as much as digits as its factorization.

23748819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916276.

The product of its digits is 96768, while the sum is 42.

The square root of 23748819 is about 4873.2760028548. The cubic root of 23748819 is about 287.4400893437.

The spelling of 23748819 in words is "twenty-three million, seven hundred forty-eight thousand, eight hundred nineteen".