2123454540302 has 16 divisors (see below), whose sum is σ = 3372644338992. Its totient is φ = 999243423360.

The previous prime is 2123454540293. The next prime is 2123454540307. The reversal of 2123454540302 is 2030454543212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123454540307) 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, 283652 + ... + 2080232.

It is an arithmetic number, because the mean of its divisors is an integer number (210790271187).

Almost surely, 2^{2123454540302} is an apocalyptic number.

2123454540302 is a deficient number, since it is larger than the sum of its proper divisors (1249189798690).

2123454540302 is a wasteful number, since it uses less digits than its factorization.

2123454540302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831363.

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 2123454540302 in words is "two trillion, one hundred twenty-three billion, four hundred fifty-four million, five hundred forty thousand, three hundred two".