23203421402 has 16 divisors (see below), whose sum is σ = 40256540352. Its totient is φ = 9824511840.

The previous prime is 23203421383. The next prime is 23203421429. The reversal of 23203421402 is 20412430232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9983099 + ... + 9985422.

It is an arithmetic number, because the mean of its divisors is an integer number (2516033772).

Almost surely, 2^23203421402 is an apocalyptic number.

23203421402 is a deficient number, since it is larger than the sum of its proper divisors (17053118950).

23203421402 is a wasteful number, since it uses less digits than its factorization.

23203421402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19968613.

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

Adding to 23203421402 its reverse (20412430232), we get a palindrome (43615851634).

The spelling of 23203421402 in words is "twenty-three billion, two hundred three million, four hundred twenty-one thousand, four hundred two".