451992238423 has 16 divisors (see below), whose sum is σ = 501895180800. Its totient is φ = 403570737280.

The previous prime is 451992238409. The next prime is 451992238463. The reversal of 451992238423 is 324832299154.

It is a cyclic number.

It is not a de Polignac number, because 451992238423 - 2²⁵ = 451958683991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451992238463) 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, 400143 + ... + 1031551.

It is an arithmetic number, because the mean of its divisors is an integer number (31368448800).

Almost surely, 2^451992238423 is an apocalyptic number.

451992238423 is a deficient number, since it is larger than the sum of its proper divisors (49902942377).

451992238423 is a wasteful number, since it uses less digits than its factorization.

451992238423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632582.

The product of its digits is 3732480, while the sum is 52.

The spelling of 451992238423 in words is "four hundred fifty-one billion, nine hundred ninety-two million, two hundred thirty-eight thousand, four hundred twenty-three".