123056693730 has 48 divisors (see below), whose sum is σ = 325984159800. Its totient is φ = 32195963904.

The previous prime is 123056693723. The next prime is 123056693761. The reversal of 123056693730 is 37396650321.

123056693730 is a `hidden beast` number, since 1 + 23 + 0 + 566 + 9 + 37 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 107119398681 + 15937295049 = 327291^2 + 126243^2 .

It is a super-3 number, since 3×123056693730³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12894255 + ... + 12903794.

Almost surely, 2^123056693730 is an apocalyptic number.

123056693730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123056693730 is an abundant number, since it is smaller than the sum of its proper divisors (202927466070).

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

123056693730 is a wasteful number, since it uses less digits than its factorization.

123056693730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25798115 (or 25798112 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 45.

The spelling of 123056693730 in words is "one hundred twenty-three billion, fifty-six million, six hundred ninety-three thousand, seven hundred thirty".