451403123342 has 16 divisors (see below), whose sum is σ = 706572218880. Its totient is φ = 215879833752.

The previous prime is 451403123323. The next prime is 451403123377. The reversal of 451403123342 is 243321304154.

It is a junction number, because it is equal to n+sod(n) for n = 451403123299 and 451403123308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055159 + ... + 1419917.

It is an arithmetic number, because the mean of its divisors is an integer number (44160763680).

Almost surely, 2^451403123342 is an apocalyptic number.

451403123342 is a deficient number, since it is larger than the sum of its proper divisors (255169095538).

451403123342 is a wasteful number, since it uses less digits than its factorization.

451403123342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391687.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 451403123342 its reverse (243321304154), we get a palindrome (694724427496).

The spelling of 451403123342 in words is "four hundred fifty-one billion, four hundred three million, one hundred twenty-three thousand, three hundred forty-two".