23378451 has 8 divisors (see below), whose sum is σ = 33004944. Its totient is φ = 14668800.

The previous prime is 23378447. The next prime is 23378461. The reversal of 23378451 is 15487332.

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

It is not a de Polignac number, because 23378451 - 2² = 23378447 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (23378461) 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, 229150 + ... + 229251.

It is an arithmetic number, because the mean of its divisors is an integer number (4125618).

Almost surely, 2^23378451 is an apocalyptic number.

23378451 is a deficient number, since it is larger than the sum of its proper divisors (9626493).

23378451 is a wasteful number, since it uses less digits than its factorization.

23378451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458421.

The product of its digits is 20160, while the sum is 33.

The square root of 23378451 is about 4835.1267822054. The cubic root of 23378451 is about 285.9380234754.

The spelling of 23378451 in words is "twenty-three million, three hundred seventy-eight thousand, four hundred fifty-one".