123252252320 has 24 divisors (see below), whose sum is σ = 291183446484. Its totient is φ = 49300900864.

The previous prime is 123252252311. The next prime is 123252252329. The reversal of 123252252320 is 23252252321.

It is an interprime number because it is at equal distance from previous prime (123252252311) and next prime (123252252329).

It can be written as a sum of positive squares in 2 ways, for example, as 122245332496 + 1006919824 = 349636^2 + 31732^2 .

It is a super-2 number, since 2×123252252320² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123252252329) 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, 385163129 + ... + 385163448.

Almost surely, 2^123252252320 is an apocalyptic number.

123252252320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123252252320 is an abundant number, since it is smaller than the sum of its proper divisors (167931194164).

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

123252252320 is an equidigital number, since it uses as much as digits as its factorization.

123252252320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770326592 (or 770326584 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Subtracting from 123252252320 its reverse (23252252321), we obtain a palindrome (99999999999).

The spelling of 123252252320 in words is "one hundred twenty-three billion, two hundred fifty-two million, two hundred fifty-two thousand, three hundred twenty".