1623132399231 has 24 divisors (see below), whose sum is σ = 2679570576800. Its totient is φ = 927464795136.

The previous prime is 1623132399193. The next prime is 1623132399241. The reversal of 1623132399231 is 1329932313261.

1623132399231 is a `hidden beast` number, since 1 + 6 + 2 + 3 + 1 + 323 + 99 + 231 = 666.

It is not a de Polignac number, because 1623132399231 - 2¹⁰ = 1623132398207 is a prime.

It is a super-3 number, since 3×1623132399231³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623132399241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 979431 + ... + 2050743.

Almost surely, 2^{1623132399231} is an apocalyptic number.

1623132399231 is a deficient number, since it is larger than the sum of its proper divisors (1056438177569).

1623132399231 is a wasteful number, since it uses less digits than its factorization.

1623132399231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095375 (or 1095372 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The spelling of 1623132399231 in words is "one trillion, six hundred twenty-three billion, one hundred thirty-two million, three hundred ninety-nine thousand, two hundred thirty-one".