23147201 has 16 divisors (see below), whose sum is σ = 29534208. Its totient is φ = 17614800.

The previous prime is 23147197. The next prime is 23147221. The reversal of 23147201 is 10274132.

23147201 = T₂₈₈ + T₂₈₉ + ... + T₅₄₅.

It is not a de Polignac number, because 23147201 - 2² = 23147197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23147221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185 + ... + 6806.

It is an arithmetic number, because the mean of its divisors is an integer number (1845888).

Almost surely, 2^23147201 is an apocalyptic number.

It is an amenable number.

23147201 is a deficient number, since it is larger than the sum of its proper divisors (6387007).

23147201 is a wasteful number, since it uses less digits than its factorization.

23147201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7052.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 23147201 is about 4811.1538117171. The cubic root of 23147201 is about 284.9921040184.

The spelling of 23147201 in words is "twenty-three million, one hundred forty-seven thousand, two hundred one".