1722264256023 has 8 divisors (see below), whose sum is σ = 2431431890928. Its totient is φ = 1080636395904.

The previous prime is 1722264255977. The next prime is 1722264256061. The reversal of 1722264256023 is 3206524622271.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1722264256023 - 2¹² = 1722264251927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1722264256093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16884943636 + ... + 16884943737.

It is an arithmetic number, because the mean of its divisors is an integer number (303928986366).

Almost surely, 2^{1722264256023} is an apocalyptic number.

1722264256023 is a deficient number, since it is larger than the sum of its proper divisors (709167634905).

1722264256023 is a wasteful number, since it uses less digits than its factorization.

1722264256023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33769887393.

The product of its (nonzero) digits is 483840, while the sum is 42.

Adding to 1722264256023 its reverse (3206524622271), we get a palindrome (4928788878294).

The spelling of 1722264256023 in words is "one trillion, seven hundred twenty-two billion, two hundred sixty-four million, two hundred fifty-six thousand, twenty-three".