2123455102334 has 16 divisors (see below), whose sum is σ = 3191172982272. Its totient is φ = 1059731470848.

The previous prime is 2123455102319. The next prime is 2123455102337. The reversal of 2123455102334 is 4332015543212.

It is a junction number, because it is equal to n+sod(n) for n = 2123455102294 and 2123455102303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123455102337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6035267 + ... + 6377409.

It is an arithmetic number, because the mean of its divisors is an integer number (199448311392).

Almost surely, 2^{2123455102334} is an apocalyptic number.

2123455102334 is a deficient number, since it is larger than the sum of its proper divisors (1067717879938).

2123455102334 is a wasteful number, since it uses less digits than its factorization.

2123455102334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347971.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 2123455102334 in words is "two trillion, one hundred twenty-three billion, four hundred fifty-five million, one hundred two thousand, three hundred thirty-four".