1523231938239 has 32 divisors (see below), whose sum is σ = 2240506344960. Its totient is φ = 912821616000.

The previous prime is 1523231938199. The next prime is 1523231938259. The reversal of 1523231938239 is 9328391323251.

It is a happy number.

It is not a de Polignac number, because 1523231938239 - 2⁹ = 1523231937727 is a prime.

It is a super-2 number, since 2×1523231938239² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1523231938191 and 1523231938200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1523231938259) 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, 2221222 + ... + 2824940.

It is an arithmetic number, because the mean of its divisors is an integer number (70015823280).

Almost surely, 2^{1523231938239} is an apocalyptic number.

1523231938239 is a deficient number, since it is larger than the sum of its proper divisors (717274406721).

1523231938239 is a wasteful number, since it uses less digits than its factorization.

1523231938239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604591.

The product of its digits is 2099520, while the sum is 51.

The spelling of 1523231938239 in words is "one trillion, five hundred twenty-three billion, two hundred thirty-one million, nine hundred thirty-eight thousand, two hundred thirty-nine".