23173131123740 has 96 divisors (see below), whose sum is σ = 56249821232640. Its totient is φ = 7942611050496.

The previous prime is 23173131123739. The next prime is 23173131123803. The reversal of 23173131123740 is 4732113137132.

It is a junction number, because it is equal to n+sod(n) for n = 23173131123694 and 23173131123703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35586860 + ... + 36232179.

It is an arithmetic number, because the mean of its divisors is an integer number (585935637840).

Almost surely, 2^{23173131123740} is an apocalyptic number.

23173131123740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23173131123740 is an abundant number, since it is smaller than the sum of its proper divisors (33076690108900).

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

23173131123740 is a wasteful number, since it uses less digits than its factorization.

23173131123740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71819151 (or 71819149 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 23173131123740 in words is "twenty-three trillion, one hundred seventy-three billion, one hundred thirty-one million, one hundred twenty-three thousand, seven hundred forty".