123540888232 has 8 divisors (see below), whose sum is σ = 231639165450. Its totient is φ = 61770444112.

The previous prime is 123540888227. The next prime is 123540888257. The reversal of 123540888232 is 232888045321.

It can be written as a sum of positive squares in only one way, i.e., 110605465476 + 12935422756 = 332574^2 + 113734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7721305507 + ... + 7721305522.

Almost surely, 2^123540888232 is an apocalyptic number.

It is an amenable number.

123540888232 is a deficient number, since it is larger than the sum of its proper divisors (108098277218).

123540888232 is a wasteful number, since it uses less digits than its factorization.

123540888232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15442611035 (or 15442611031 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 123540888232 in words is "one hundred twenty-three billion, five hundred forty million, eight hundred eighty-eight thousand, two hundred thirty-two".