122436644023 has 8 divisors (see below), whose sum is σ = 123992993600. Its totient is φ = 120880457568.

The previous prime is 122436644017. The next prime is 122436644087. The reversal of 122436644023 is 320446634221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122436644023 is a prime.

It is a super-2 number, since 2×122436644023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122436644123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2364373 + ... + 2415601.

It is an arithmetic number, because the mean of its divisors is an integer number (15499124200).

Almost surely, 2^122436644023 is an apocalyptic number.

122436644023 is a deficient number, since it is larger than the sum of its proper divisors (1556349577).

122436644023 is an equidigital number, since it uses as much as digits as its factorization.

122436644023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81561.

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 122436644023 in words is "one hundred twenty-two billion, four hundred thirty-six million, six hundred forty-four thousand, twenty-three".