432121345623 has 96 divisors (see below), whose sum is σ = 721855929600. Its totient is φ = 246349555200.

The previous prime is 432121345609. The next prime is 432121345651. The reversal of 432121345623 is 326543121234.

432121345623 is a `hidden beast` number, since 4 + 3 + 2 + 1 + 21 + 3 + 4 + 5 + 623 = 666.

It is not a de Polignac number, because 432121345623 - 2⁶ = 432121345559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432121345723) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 167552548 + ... + 167555126.

It is an arithmetic number, because the mean of its divisors is an integer number (7519332600).

Almost surely, 2^432121345623 is an apocalyptic number.

432121345623 is a deficient number, since it is larger than the sum of its proper divisors (289734583977).

432121345623 is a wasteful number, since it uses less digits than its factorization.

432121345623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213 (or 3210 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

Adding to 432121345623 its reverse (326543121234), we get a palindrome (758664466857).

The spelling of 432121345623 in words is "four hundred thirty-two billion, one hundred twenty-one million, three hundred forty-five thousand, six hundred twenty-three".