23450661 has 32 divisors (see below), whose sum is σ = 37981440. Its totient is φ = 14212800.

The previous prime is 23450629. The next prime is 23450681. The reversal of 23450661 is 16605432.

It is not a de Polignac number, because 23450661 - 2⁵ = 23450629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23450681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24451 + ... + 25391.

It is an arithmetic number, because the mean of its divisors is an integer number (1186920).

Almost surely, 2^23450661 is an apocalyptic number.

It is an amenable number.

23450661 is a deficient number, since it is larger than the sum of its proper divisors (14530779).

23450661 is a wasteful number, since it uses less digits than its factorization.

23450661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 23450661 is about 4842.5882542293. The cubic root of 23450661 is about 286.2321171364.

The spelling of 23450661 in words is "twenty-three million, four hundred fifty thousand, six hundred sixty-one".