2123951912234 has 32 divisors (see below), whose sum is σ = 3302901245952. Its totient is φ = 1023282144000.

The previous prime is 2123951912233. The next prime is 2123951912279. The reversal of 2123951912234 is 4322191593212.

It is a super-2 number, since 2×2123951912234² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2123951912233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165655544 + ... + 165668364.

It is an arithmetic number, because the mean of its divisors is an integer number (103215663936).

Almost surely, 2^{2123951912234} is an apocalyptic number.

2123951912234 is a deficient number, since it is larger than the sum of its proper divisors (1178949333718).

2123951912234 is a wasteful number, since it uses less digits than its factorization.

2123951912234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24182.

The product of its digits is 233280, while the sum is 44.

The spelling of 2123951912234 in words is "two trillion, one hundred twenty-three billion, nine hundred fifty-one million, nine hundred twelve thousand, two hundred thirty-four".