123622507970 has 24 divisors (see below), whose sum is σ = 240954169716. Its totient is φ = 45645233088.

The previous prime is 123622507909. The next prime is 123622507993. The reversal of 123622507970 is 79705226321.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 454499761 + 123168008209 = 21319^2 + 350953^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36573017 + ... + 36576396.

Almost surely, 2^123622507970 is an apocalyptic number.

123622507970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123622507970 is a deficient number, since it is larger than the sum of its proper divisors (117331661746).

123622507970 is a wasteful number, since it uses less digits than its factorization.

123622507970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73149446 (or 73149433 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 123622507970 in words is "one hundred twenty-three billion, six hundred twenty-two million, five hundred seven thousand, nine hundred seventy".