23297621751121 has 27 divisors (see below), whose sum is σ = 24105618048603. Its totient is φ = 22516260853680.

The previous prime is 23297621751113. The next prime is 23297621751133. The reversal of 23297621751121 is 12115712679232.

The square root of 23297621751121 is 4826761.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 20847031881025 + 2450589870096 = 4565855^2 + 1565436^2 .

It is not a de Polignac number, because 23297621751121 - 2³ = 23297621751113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23297621751221) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 34110719646 + ... + 34110720328.

Almost surely, 2^{23297621751121} is an apocalyptic number.

23297621751121 is the 4826761-st square number.

23297621751121 is the 2413381-st centered octagonal number.

It is an amenable number.

23297621751121 is a deficient number, since it is larger than the sum of its proper divisors (807996297482).

23297621751121 is an frugal number, since it uses more digits than its factorization.

23297621751121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822 (or 911 counting only the distinct ones).

The product of its digits is 635040, while the sum is 49.

The spelling of 23297621751121 in words is "twenty-three trillion, two hundred ninety-seven billion, six hundred twenty-one million, seven hundred fifty-one thousand, one hundred twenty-one".