23119390 has 32 divisors (see below), whose sum is σ = 50065920. Its totient is φ = 7509024.

The previous prime is 23119387. The next prime is 23119391. The reversal of 23119390 is 9391132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23119391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7362 + ... + 10021.

It is an arithmetic number, because the mean of its divisors is an integer number (1564560).

Almost surely, 2^23119390 is an apocalyptic number.

23119390 is an abundant number, since it is smaller than the sum of its proper divisors (26946530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23119390 is a wasteful number, since it uses less digits than its factorization.

23119390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17416.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 23119390 is about 4808.2626800124. The cubic root of 23119390 is about 284.8779204243.

The spelling of 23119390 in words is "twenty-three million, one hundred nineteen thousand, three hundred ninety".