23426402 has 16 divisors (see below), whose sum is σ = 36505080. Its totient is φ = 11265408.

The previous prime is 23426401. The next prime is 23426413. The reversal of 23426402 is 20462432.

It can be written as a sum of positive squares in 4 ways, for example, as 17131321 + 6295081 = 4139^2 + 2509^2 .

It is not an unprimeable number, because it can be changed into a prime (23426401) 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 7 ways as a sum of consecutive naturals, for example, 4808 + ... + 8364.

Almost surely, 2^23426402 is an apocalyptic number.

23426402 is a deficient number, since it is larger than the sum of its proper divisors (13078678).

23426402 is a wasteful number, since it uses less digits than its factorization.

23426402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 23426402 is about 4840.0828505306. The cubic root of 23426402 is about 286.1333835917.

Adding to 23426402 its reverse (20462432), we get a palindrome (43888834).

The spelling of 23426402 in words is "twenty-three million, four hundred twenty-six thousand, four hundred two".