451026234140623 has 4 divisors (see below), whose sum is σ = 451026848167560. Its totient is φ = 451025620113688.

The previous prime is 451026234140621. The next prime is 451026234140627. The reversal of 451026234140623 is 326041432620154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 451026234140623 - 2¹ = 451026234140621 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 451026234140623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451026234140621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305910340 + ... + 307381177.

It is an arithmetic number, because the mean of its divisors is an integer number (112756712041890).

Almost surely, 2^{451026234140623} is an apocalyptic number.

451026234140623 is a deficient number, since it is larger than the sum of its proper divisors (614026937).

451026234140623 is an equidigital number, since it uses as much as digits as its factorization.

451026234140623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614026936.

The product of its (nonzero) digits is 829440, while the sum is 43.

Adding to 451026234140623 its reverse (326041432620154), we get a palindrome (777067666760777).

The spelling of 451026234140623 in words is "four hundred fifty-one trillion, twenty-six billion, two hundred thirty-four million, one hundred forty thousand, six hundred twenty-three".