23404554 has 12 divisors (see below), whose sum is σ = 50709906. Its totient is φ = 7801512.

The previous prime is 23404517. The next prime is 23404571. The reversal of 23404554 is 45540432.

It can be written as a sum of positive squares in only one way, i.e., 17514225 + 5890329 = 4185^2 + 2427^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 650109 + ... + 650144.

Almost surely, 2^23404554 is an apocalyptic number.

23404554 is an abundant number, since it is smaller than the sum of its proper divisors (27305352).

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

23404554 is a wasteful number, since it uses less digits than its factorization.

23404554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300261 (or 1300258 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 23404554 is about 4837.8253378972. The cubic root of 23404554 is about 286.0444044051.

Adding to 23404554 its reverse (45540432), we get a palindrome (68944986).

The spelling of 23404554 in words is "twenty-three million, four hundred four thousand, five hundred fifty-four".