2123202123402 has 32 divisors (see below), whose sum is σ = 4288601476224. Its totient is φ = 700701672000.

The previous prime is 2123202123379. The next prime is 2123202123421. The reversal of 2123202123402 is 2043212023212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25356268 + ... + 25439864.

It is an arithmetic number, because the mean of its divisors is an integer number (134018796132).

Almost surely, 2^{2123202123402} is an apocalyptic number.

2123202123402 is an abundant number, since it is smaller than the sum of its proper divisors (2165399352822).

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

2123202123402 is a wasteful number, since it uses less digits than its factorization.

2123202123402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125614.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2123202123402 its reverse (2043212023212), we get a palindrome (4166414146614).

The spelling of 2123202123402 in words is "two trillion, one hundred twenty-three billion, two hundred two million, one hundred twenty-three thousand, four hundred two".