23154474 has 16 divisors (see below), whose sum is σ = 52924608. Its totient is φ = 6615552.

The previous prime is 23154457. The next prime is 23154497. The reversal of 23154474 is 47445132.

It is a super-2 number, since 2×23154474² = 1072259332433352, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275607 + ... + 275690.

It is an arithmetic number, because the mean of its divisors is an integer number (3307788).

Almost surely, 2^23154474 is an apocalyptic number.

23154474 is an abundant number, since it is smaller than the sum of its proper divisors (29770134).

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

23154474 is a wasteful number, since it uses less digits than its factorization.

23154474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551309.

The product of its digits is 13440, while the sum is 30.

The square root of 23154474 is about 4811.9096001484. The cubic root of 23154474 is about 285.0219496791.

The spelling of 23154474 in words is "twenty-three million, one hundred fifty-four thousand, four hundred seventy-four".