2123202321429 has 48 divisors (see below), whose sum is σ = 3343789540800. Its totient is φ = 1194610830336.

The previous prime is 2123202321421. The next prime is 2123202321431. The reversal of 2123202321429 is 9241232023212.

It is not a de Polignac number, because 2123202321429 - 2³ = 2123202321421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2123202321429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123202321421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22299877 + ... + 22394885.

It is an arithmetic number, because the mean of its divisors is an integer number (69662282100).

Almost surely, 2^{2123202321429} is an apocalyptic number.

It is an amenable number.

2123202321429 is a deficient number, since it is larger than the sum of its proper divisors (1220587219371).

2123202321429 is a wasteful number, since it uses less digits than its factorization.

2123202321429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97362 (or 97355 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 2123202321429 in words is "two trillion, one hundred twenty-three billion, two hundred two million, three hundred twenty-one thousand, four hundred twenty-nine".