122401542635423 has 2 divisors, whose sum is σ = 122401542635424. Its totient is φ = 122401542635422.

The previous prime is 122401542635389. The next prime is 122401542635431. The reversal of 122401542635423 is 324536245104221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122401542635423 - 2¹² = 122401542631327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122401542638423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61200771317711 + 61200771317712.

It is an arithmetic number, because the mean of its divisors is an integer number (61200771317712).

Almost surely, 2^{122401542635423} is an apocalyptic number.

122401542635423 is a deficient number, since it is larger than the sum of its proper divisors (1).

122401542635423 is an equidigital number, since it uses as much as digits as its factorization.

122401542635423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1382400, while the sum is 44.

Adding to 122401542635423 its reverse (324536245104221), we get a palindrome (446937787739644).

The spelling of 122401542635423 in words is "one hundred twenty-two trillion, four hundred one billion, five hundred forty-two million, six hundred thirty-five thousand, four hundred twenty-three".