122023004240 has 40 divisors (see below), whose sum is σ = 283719697920. Its totient is φ = 48806412416.

The previous prime is 122023004203. The next prime is 122023004291. The reversal of 122023004240 is 42400320221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×122023004240² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1907657 + ... + 1970583.

It is an arithmetic number, because the mean of its divisors is an integer number (7092992448).

Almost surely, 2^122023004240 is an apocalyptic number.

122023004240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122023004240 is an abundant number, since it is smaller than the sum of its proper divisors (161696693680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122023004240 is a wasteful number, since it uses less digits than its factorization.

122023004240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87179 (or 87173 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 122023004240 its reverse (42400320221), we get a palindrome (164423324461).

The spelling of 122023004240 in words is "one hundred twenty-two billion, twenty-three million, four thousand, two hundred forty".