123722887630 has 32 divisors (see below), whose sum is σ = 230489310240. Its totient is φ = 47760074880.

The previous prime is 123722887619. The next prime is 123722887649. The reversal of 123722887630 is 36788227321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521257 + ... + 720523.

It is an arithmetic number, because the mean of its divisors is an integer number (7202790945).

Almost surely, 2^123722887630 is an apocalyptic number.

123722887630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123722887630 is a deficient number, since it is larger than the sum of its proper divisors (106766422610).

123722887630 is a wasteful number, since it uses less digits than its factorization.

123722887630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201444.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 123722887630 in words is "one hundred twenty-three billion, seven hundred twenty-two million, eight hundred eighty-seven thousand, six hundred thirty".