23390273 has 6 divisors (see below), whose sum is σ = 24686514. Its totient is φ = 22158864.

The previous prime is 23390243. The next prime is 23390291. The reversal of 23390273 is 37209332.

It can be written as a sum of positive squares in only one way, i.e., 23107249 + 283024 = 4807^2 + 532^2 .

It is not a de Polignac number, because 23390273 - 2¹² = 23386177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23390243) 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, 32036 + ... + 32757.

It is an arithmetic number, because the mean of its divisors is an integer number (4114419).

Almost surely, 2^23390273 is an apocalyptic number.

It is an amenable number.

23390273 is a deficient number, since it is larger than the sum of its proper divisors (1296241).

23390273 is an equidigital number, since it uses as much as digits as its factorization.

23390273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64831 (or 64812 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 23390273 is about 4836.3491395887. The cubic root of 23390273 is about 285.9862130052.

The spelling of 23390273 in words is "twenty-three million, three hundred ninety thousand, two hundred seventy-three".