23428377 has 24 divisors (see below), whose sum is σ = 38852736. Its totient is φ = 13326336.

The previous prime is 23428373. The next prime is 23428381. The reversal of 23428377 is 77382432.

It is an interprime number because it is at equal distance from previous prime (23428373) and next prime (23428381).

It is not a de Polignac number, because 23428377 - 2² = 23428373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23428373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15468 + ... + 16914.

It is an arithmetic number, because the mean of its divisors is an integer number (1618864).

Almost surely, 2^23428377 is an apocalyptic number.

It is an amenable number.

23428377 is a deficient number, since it is larger than the sum of its proper divisors (15424359).

23428377 is a wasteful number, since it uses less digits than its factorization.

23428377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717 (or 1714 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 23428377 is about 4840.2868716637. The cubic root of 23428377 is about 286.1414243420.

The spelling of 23428377 in words is "twenty-three million, four hundred twenty-eight thousand, three hundred seventy-seven".