23412402 has 40 divisors (see below), whose sum is σ = 56501676. Its totient is φ = 7203168.

The previous prime is 23412397. The next prime is 23412419. The reversal of 23412402 is 20421432.

It can be written as a sum of positive squares in 2 ways, for example, as 19527561 + 3884841 = 4419^2 + 1971^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3453 + ... + 7664.

Almost surely, 2^23412402 is an apocalyptic number.

23412402 is an abundant number, since it is smaller than the sum of its proper divisors (33089274).

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

23412402 is a wasteful number, since it uses less digits than its factorization.

23412402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11144 (or 11135 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 23412402 is about 4838.6363781545. The cubic root of 23412402 is about 286.0763729074.

Adding to 23412402 its reverse (20421432), we get a palindrome (43833834).

The spelling of 23412402 in words is "twenty-three million, four hundred twelve thousand, four hundred two".