23393390 has 16 divisors (see below), whose sum is σ = 42167520. Its totient is φ = 9344160.

The previous prime is 23393371. The next prime is 23393417. The reversal of 23393390 is 9339332.

It is a plaindrome in base 11.

It is a congruent 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, 9176 + ... + 11444.

It is an arithmetic number, because the mean of its divisors is an integer number (2635470).

Almost surely, 2^23393390 is an apocalyptic number.

23393390 is a deficient number, since it is larger than the sum of its proper divisors (18774130).

23393390 is a wasteful number, since it uses less digits than its factorization.

23393390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307.

The product of its (nonzero) digits is 13122, while the sum is 32.

The square root of 23393390 is about 4836.6713760602. The cubic root of 23393390 is about 285.9989159983.

The spelling of 23393390 in words is "twenty-three million, three hundred ninety-three thousand, three hundred ninety".