1723157012472 has 64 divisors (see below), whose sum is σ = 4923403188480. Its totient is φ = 492320831232.

The previous prime is 1723157012429. The next prime is 1723157012597. The reversal of 1723157012472 is 2742107513271.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 15871123 + ... + 15979325.

It is an arithmetic number, because the mean of its divisors is an integer number (76928174820).

Almost surely, 2^{1723157012472} is an apocalyptic number.

1723157012472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1723157012472 is an abundant number, since it is smaller than the sum of its proper divisors (3200246176008).

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

1723157012472 is a wasteful number, since it uses less digits than its factorization.

1723157012472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203012 (or 203008 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 1723157012472 in words is "one trillion, seven hundred twenty-three billion, one hundred fifty-seven million, twelve thousand, four hundred seventy-two".