1623316387151 has 2 divisors, whose sum is σ = 1623316387152. Its totient is φ = 1623316387150.

The previous prime is 1623316387139. The next prime is 1623316387201. The reversal of 1623316387151 is 1517836133261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1623316387151 - 2¹⁸ = 1623316125007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1623316387096 and 1623316387105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1623316387751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811658193575 + 811658193576.

It is an arithmetic number, because the mean of its divisors is an integer number (811658193576).

Almost surely, 2^{1623316387151} is an apocalyptic number.

1623316387151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623316387151 is an equidigital number, since it uses as much as digits as its factorization.

1623316387151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The spelling of 1623316387151 in words is "one trillion, six hundred twenty-three billion, three hundred sixteen million, three hundred eighty-seven thousand, one hundred fifty-one".