122040004523 has 4 divisors (see below), whose sum is σ = 122067688680. Its totient is φ = 122012320368.

The previous prime is 122040004507. The next prime is 122040004579. The reversal of 122040004523 is 325400040221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122040004523 - 2⁴ = 122040004507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122040009523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13835465 + ... + 13844282.

It is an arithmetic number, because the mean of its divisors is an integer number (30516922170).

Almost surely, 2^122040004523 is an apocalyptic number.

122040004523 is a deficient number, since it is larger than the sum of its proper divisors (27684157).

122040004523 is an equidigital number, since it uses as much as digits as its factorization.

122040004523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27684156.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 122040004523 its reverse (325400040221), we get a palindrome (447440044744).

The spelling of 122040004523 in words is "one hundred twenty-two billion, forty million, four thousand, five hundred twenty-three".