23780454 has 8 divisors (see below), whose sum is σ = 47560920. Its totient is φ = 7926816.

The previous prime is 23780453. The next prime is 23780473. The reversal of 23780454 is 45408732.

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

23780454 is an admirable number.

It is a super-2 number, since 2×23780454² = 1131019984892232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23780453) 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, 1981699 + ... + 1981710.

It is an arithmetic number, because the mean of its divisors is an integer number (5945115).

Almost surely, 2^23780454 is an apocalyptic number.

23780454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23780454 is a wasteful number, since it uses less digits than its factorization.

23780454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963414.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 23780454 is about 4876.5206858989. The cubic root of 23780454 is about 287.5676624614.

The spelling of 23780454 in words is "twenty-three million, seven hundred eighty thousand, four hundred fifty-four".