123695122451 has 2 divisors, whose sum is σ = 123695122452. Its totient is φ = 123695122450.

The previous prime is 123695122399. The next prime is 123695122459. The reversal of 123695122451 is 154221596321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123695122451 - 2³⁴ = 106515253267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123695122399 and 123695122408.

It is not a weakly prime, because it can be changed into another prime (123695122459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61847561225 + 61847561226.

It is an arithmetic number, because the mean of its divisors is an integer number (61847561226).

Almost surely, 2^123695122451 is an apocalyptic number.

123695122451 is a deficient number, since it is larger than the sum of its proper divisors (1).

123695122451 is an equidigital number, since it uses as much as digits as its factorization.

123695122451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 41.

The spelling of 123695122451 in words is "one hundred twenty-three billion, six hundred ninety-five million, one hundred twenty-two thousand, four hundred fifty-one".