23021401402 has 8 divisors (see below), whose sum is σ = 35047506816. Its totient is φ = 11338899132.

The previous prime is 23021401391. The next prime is 23021401421. The reversal of 23021401402 is 20410412032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23021401402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85900618 + ... + 85900885.

It is an arithmetic number, because the mean of its divisors is an integer number (4380938352).

Almost surely, 2^23021401402 is an apocalyptic number.

23021401402 is a deficient number, since it is larger than the sum of its proper divisors (12026105414).

23021401402 is a wasteful number, since it uses less digits than its factorization.

23021401402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171801572.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 23021401402 its reverse (20410412032), we get a palindrome (43431813434).

The spelling of 23021401402 in words is "twenty-three billion, twenty-one million, four hundred one thousand, four hundred two".