23779434 has 32 divisors (see below), whose sum is σ = 54673920. Its totient is φ = 6754032.

The previous prime is 23779433. The next prime is 23779463. The reversal of 23779434 is 43497732.

It is a super-2 number, since 2×23779434² = 1130922962720712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23779392 and 23779401.

It is not an unprimeable number, because it can be changed into a prime (23779433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5937 + ... + 9099.

It is an arithmetic number, because the mean of its divisors is an integer number (1708560).

Almost surely, 2^23779434 is an apocalyptic number.

23779434 is an abundant number, since it is smaller than the sum of its proper divisors (30894486).

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

23779434 is a wasteful number, since it uses less digits than its factorization.

23779434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354.

The product of its digits is 127008, while the sum is 39.

The square root of 23779434 is about 4876.4161020159. The cubic root of 23779434 is about 287.5635509166.

It can be divided in two parts, 2377 and 9434, that added together give a palindrome (11811).

The spelling of 23779434 in words is "twenty-three million, seven hundred seventy-nine thousand, four hundred thirty-four".