623361334451 has 2 divisors, whose sum is σ = 623361334452. Its totient is φ = 623361334450.

The previous prime is 623361334403. The next prime is 623361334457. The reversal of 623361334451 is 154433163326.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 623361334451 - 2³⁸ = 348483427507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 623361334399 and 623361334408.

It is not a weakly prime, because it can be changed into another prime (623361334457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311680667225 + 311680667226.

It is an arithmetic number, because the mean of its divisors is an integer number (311680667226).

Almost surely, 2^623361334451 is an apocalyptic number.

623361334451 is a deficient number, since it is larger than the sum of its proper divisors (1).

623361334451 is an equidigital number, since it uses as much as digits as its factorization.

623361334451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 41.

Adding to 623361334451 its reverse (154433163326), we get a palindrome (777794497777).

The spelling of 623361334451 in words is "six hundred twenty-three billion, three hundred sixty-one million, three hundred thirty-four thousand, four hundred fifty-one".