43023768453138 has 64 divisors (see below), whose sum is σ = 97113305116800. Its totient is φ = 12587111093760.

The previous prime is 43023768453101. The next prime is 43023768453139. The reversal of 43023768453138 is 83135486732034.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43023768453139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28771278 + ... + 30229686.

It is an arithmetic number, because the mean of its divisors is an integer number (1517395392450).

Almost surely, 2^{43023768453138} is an apocalyptic number.

43023768453138 is an abundant number, since it is smaller than the sum of its proper divisors (54089536663662).

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

43023768453138 is a wasteful number, since it uses less digits than its factorization.

43023768453138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473867.

The product of its (nonzero) digits is 34836480, while the sum is 57.

The spelling of 43023768453138 in words is "forty-three trillion, twenty-three billion, seven hundred sixty-eight million, four hundred fifty-three thousand, one hundred thirty-eight".