1923988152241 has 9 divisors (see below), whose sum is σ = 1956132029163. Its totient is φ = 1892364138120.

The previous prime is 1923988152211. The next prime is 1923988152263. The reversal of 1923988152241 is 1422518893291.

The square root of 1923988152241 is 1387079.

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., 62564516641 + 1861423635600 = 250129^2 + 1364340^2 .

It is not a de Polignac number, because 1923988152241 - 2³¹ = 1921840668593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1923988152211) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 84600450 + ... + 84623188.

Almost surely, 2^{1923988152241} is an apocalyptic number.

1923988152241 is the 1387079-th square number.

1923988152241 is the 693540-th centered octagonal number.

It is an amenable number.

1923988152241 is a deficient number, since it is larger than the sum of its proper divisors (32143876922).

1923988152241 is an frugal number, since it uses more digits than its factorization.

1923988152241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45600 (or 22800 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 55.

The spelling of 1923988152241 in words is "one trillion, nine hundred twenty-three billion, nine hundred eighty-eight million, one hundred fifty-two thousand, two hundred forty-one".