1845016400123 has 16 divisors (see below), whose sum is σ = 2073806564256. Its totient is φ = 1630203144960.

The previous prime is 1845016400113. The next prime is 1845016400141. The reversal of 1845016400123 is 3210046105481.

It is not a de Polignac number, because 1845016400123 - 2²⁰ = 1845015351547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1845016400113) 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, 32628065 + ... + 32684562.

It is an arithmetic number, because the mean of its divisors is an integer number (129612910266).

Almost surely, 2^{1845016400123} is an apocalyptic number.

1845016400123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1845016400123 is a deficient number, since it is larger than the sum of its proper divisors (228790164133).

1845016400123 is a wasteful number, since it uses less digits than its factorization.

1845016400123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65312734.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 1845016400123 in words is "one trillion, eight hundred forty-five billion, sixteen million, four hundred thousand, one hundred twenty-three".