1538718010323 has 16 divisors (see below), whose sum is σ = 2215772042400. Its totient is φ = 944190192384.

The previous prime is 1538718010309. The next prime is 1538718010391. The reversal of 1538718010323 is 3230108178351.

It is a happy number.

It is not a de Polignac number, because 1538718010323 - 2¹³ = 1538718002131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1538718010393) 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, 56511186 + ... + 56538407.

It is an arithmetic number, because the mean of its divisors is an integer number (138485752650).

Almost surely, 2^{1538718010323} is an apocalyptic number.

1538718010323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1538718010323 is a deficient number, since it is larger than the sum of its proper divisors (677054032077).

1538718010323 is a wasteful number, since it uses less digits than its factorization.

1538718010323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113049958.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 1538718010323 in words is "one trillion, five hundred thirty-eight billion, seven hundred eighteen million, ten thousand, three hundred twenty-three".