23890126 has 32 divisors (see below), whose sum is σ = 40205088. Its totient is φ = 10575360.

The previous prime is 23890081. The next prime is 23890133. The reversal of 23890126 is 62109832.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77665 + ... + 77971.

It is an arithmetic number, because the mean of its divisors is an integer number (1256409).

Almost surely, 2^23890126 is an apocalyptic number.

23890126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23890126 is the 3991-st pentagonal number.

23890126 is a deficient number, since it is larger than the sum of its proper divisors (16314962).

23890126 is a wasteful number, since it uses less digits than its factorization.

23890126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 23890126 is about 4887.7526533162. The cubic root of 23890126 is about 288.0090580356.

Adding to 23890126 its reverse (62109832), we get a palindrome (85999958).

The spelling of 23890126 in words is "twenty-three million, eight hundred ninety thousand, one hundred twenty-six".