23770397 has 8 divisors (see below), whose sum is σ = 28042752. Its totient is φ = 19717200.

The previous prime is 23770381. The next prime is 23770399. The reversal of 23770397 is 79307732.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23770397 - 2⁴ = 23770381 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 23770397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23770399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54554 + ... + 54987.

It is an arithmetic number, because the mean of its divisors is an integer number (3505344).

Almost surely, 2^23770397 is an apocalyptic number.

It is an amenable number.

23770397 is a deficient number, since it is larger than the sum of its proper divisors (4272355).

23770397 is a wasteful number, since it uses less digits than its factorization.

23770397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109579.

The product of its (nonzero) digits is 55566, while the sum is 38.

The square root of 23770397 is about 4875.4894113309. The cubic root of 23770397 is about 287.5271182990.

The spelling of 23770397 in words is "twenty-three million, seven hundred seventy thousand, three hundred ninety-seven".