123462354661 has 2 divisors, whose sum is σ = 123462354662. Its totient is φ = 123462354660.

The previous prime is 123462354583. The next prime is 123462354683. The reversal of 123462354661 is 166453264321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90222136900 + 33240217761 = 300370^2 + 182319^2 .

It is a cyclic number.

It is not a de Polignac number, because 123462354661 - 2²⁹ = 122925483749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123462354061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61731177330 + 61731177331.

It is an arithmetic number, because the mean of its divisors is an integer number (61731177331).

Almost surely, 2^123462354661 is an apocalyptic number.

It is an amenable number.

123462354661 is a deficient number, since it is larger than the sum of its proper divisors (1).

123462354661 is an equidigital number, since it uses as much as digits as its factorization.

123462354661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 43.

The spelling of 123462354661 in words is "one hundred twenty-three billion, four hundred sixty-two million, three hundred fifty-four thousand, six hundred sixty-one".