303212421400023 has 12 divisors (see below), whose sum is σ = 439076705385448. Its totient is φ = 201632441432400.

The previous prime is 303212421400013. The next prime is 303212421400043. The reversal of 303212421400023 is 320004124212303.

303212421400023 is a `hidden beast` number, since 3 + 0 + 3 + 212 + 4 + 21 + 400 + 0 + 23 = 666.

It is not a de Polignac number, because 303212421400023 - 2³⁰ = 303211347658199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 303212421400023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303212421400013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42431065753 + ... + 42431072898.

Almost surely, 2^{303212421400023} is an apocalyptic number.

303212421400023 is a deficient number, since it is larger than the sum of its proper divisors (135864283985425).

303212421400023 is a wasteful number, since it uses less digits than its factorization.

303212421400023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84862139054 (or 84862139051 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 303212421400023 its reverse (320004124212303), we get a palindrome (623216545612326).

The spelling of 303212421400023 in words is "three hundred three trillion, two hundred twelve billion, four hundred twenty-one million, four hundred thousand, twenty-three".