23115394 has 4 divisors (see below), whose sum is σ = 34673094. Its totient is φ = 11557696.

The previous prime is 23115383. The next prime is 23115403. The reversal of 23115394 is 49351132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18966025 + 4149369 = 4355^2 + 2037^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5778847 + ... + 5778850.

Almost surely, 2^23115394 is an apocalyptic number.

23115394 is a deficient number, since it is larger than the sum of its proper divisors (11557700).

23115394 is a wasteful number, since it uses less digits than its factorization.

23115394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11557699.

The product of its digits is 3240, while the sum is 28.

The square root of 23115394 is about 4807.8471273534. The cubic root of 23115394 is about 284.8615065287.

It can be divided in two parts, 231 and 15394, that added together give a 6-th power (15625 = 5⁶).

The spelling of 23115394 in words is "twenty-three million, one hundred fifteen thousand, three hundred ninety-four".