1723212272925 has 432 divisors, whose sum is σ = 3866689569600. Its totient is φ = 745827264000.

The previous prime is 1723212272909. The next prime is 1723212272927. The reversal of 1723212272925 is 5292722123271.

It is a happy number.

1723212272925 is a `hidden beast` number, since 1 + 7 + 232 + 122 + 7 + 292 + 5 = 666.

It is not a de Polignac number, because 1723212272925 - 2⁴ = 1723212272909 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1723212272927) by changing a digit.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 1205886111 + ... + 1205887539.

It is an arithmetic number, because the mean of its divisors is an integer number (8950670300).

Almost surely, 2^{1723212272925} is an apocalyptic number.

1723212272925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1723212272925 is an abundant number, since it is smaller than the sum of its proper divisors (2143477296675).

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

1723212272925 is a wasteful number, since it uses less digits than its factorization.

1723212272925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547 (or 1492 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The spelling of 1723212272925 in words is "one trillion, seven hundred twenty-three billion, two hundred twelve million, two hundred seventy-two thousand, nine hundred twenty-five".