2351644486123 has 2 divisors, whose sum is σ = 2351644486124. Its totient is φ = 2351644486122.

The previous prime is 2351644486039. The next prime is 2351644486129. The reversal of 2351644486123 is 3216844461532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2351644486123 - 2²¹ = 2351642388971 is a prime.

It is a super-2 number, since 2×2351644486123² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2351644486129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1175822243061 + 1175822243062.

It is an arithmetic number, because the mean of its divisors is an integer number (1175822243062).

Almost surely, 2^{2351644486123} is an apocalyptic number.

2351644486123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2351644486123 is an equidigital number, since it uses as much as digits as its factorization.

2351644486123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3317760, while the sum is 49.

The spelling of 2351644486123 in words is "two trillion, three hundred fifty-one billion, six hundred forty-four million, four hundred eighty-six thousand, one hundred twenty-three".