23902427 has 4 divisors (see below), whose sum is σ = 23917656. Its totient is φ = 23887200.

The previous prime is 23902387. The next prime is 23902429. The reversal of 23902427 is 72420932.

It is a happy number.

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 23902427 - 2¹² = 23898331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23902427.

It is not an unprimeable number, because it can be changed into a prime (23902429) 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, 4949 + ... + 8502.

It is an arithmetic number, because the mean of its divisors is an integer number (5979414).

Almost surely, 2^23902427 is an apocalyptic number.

23902427 is a deficient number, since it is larger than the sum of its proper divisors (15229).

23902427 is a wasteful number, since it uses less digits than its factorization.

23902427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15228.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 23902427 is about 4889.0108406507. The cubic root of 23902427 is about 288.0584814045.

The spelling of 23902427 in words is "twenty-three million, nine hundred two thousand, four hundred twenty-seven".