23154966 has 12 divisors (see below), whose sum is σ = 50169132. Its totient is φ = 7718316.

The previous prime is 23154961. The next prime is 23154991. The reversal of 23154966 is 66945132.

It is a happy number.

It is a super-2 number, since 2×23154966² = 1072304900922312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23154966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154961) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 643176 + ... + 643211.

It is an arithmetic number, because the mean of its divisors is an integer number (4180761).

Almost surely, 2^23154966 is an apocalyptic number.

23154966 is an abundant number, since it is smaller than the sum of its proper divisors (27014166).

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

23154966 is a wasteful number, since it uses less digits than its factorization.

23154966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286395 (or 1286392 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 23154966 is about 4811.9607230317. The cubic root of 23154966 is about 285.0239684367.

The spelling of 23154966 in words is "twenty-three million, one hundred fifty-four thousand, nine hundred sixty-six".