623122051 has 2 divisors, whose sum is σ = 623122052. Its totient is φ = 623122050.

The previous prime is 623122039. The next prime is 623122061. The reversal of 623122051 is 150221326.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 623122051 - 2¹⁵ = 623089283 is a prime.

It is not a weakly prime, because it can be changed into another prime (623122001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311561025 + 311561026.

It is an arithmetic number, because the mean of its divisors is an integer number (311561026).

Almost surely, 2^623122051 is an apocalyptic number.

623122051 is a deficient number, since it is larger than the sum of its proper divisors (1).

623122051 is an equidigital number, since it uses as much as digits as its factorization.

623122051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 623122051 is about 24962.4127639938. The cubic root of 623122051 is about 854.1307815258.

Adding to 623122051 its reverse (150221326), we get a palindrome (773343377).

It can be divided in two parts, 6231 and 22051, that added together give a palindrome (28282).

The spelling of 623122051 in words is "six hundred twenty-three million, one hundred twenty-two thousand, fifty-one".