23151308 has 6 divisors (see below), whose sum is σ = 40514796. Its totient is φ = 11575652.

The previous prime is 23151299. The next prime is 23151311. The reversal of 23151308 is 80315132.

It is a super-2 number, since 2×23151308² = 1071966124221728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2893910 + ... + 2893917.

It is an arithmetic number, because the mean of its divisors is an integer number (6752466).

Almost surely, 2^23151308 is an apocalyptic number.

It is an amenable number.

23151308 is a deficient number, since it is larger than the sum of its proper divisors (17363488).

23151308 is a wasteful number, since it uses less digits than its factorization.

23151308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5787831 (or 5787829 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 23151308 is about 4811.5806134783. The cubic root of 23151308 is about 285.0089583724.

The spelling of 23151308 in words is "twenty-three million, one hundred fifty-one thousand, three hundred eight".