1923720763228 has 24 divisors (see below), whose sum is σ = 3799197748080. Its totient is φ = 844266165120.

The previous prime is 1923720763187. The next prime is 1923720763231. The reversal of 1923720763228 is 8223670273291.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753807801 + ... + 753810352.

It is an arithmetic number, because the mean of its divisors is an integer number (158299906170).

Almost surely, 2^{1923720763228} is an apocalyptic number.

It is an amenable number.

1923720763228 is a deficient number, since it is larger than the sum of its proper divisors (1875476984852).

1923720763228 is a wasteful number, since it uses less digits than its factorization.

1923720763228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507618197 (or 1507618195 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 1923720763228 in words is "one trillion, nine hundred twenty-three billion, seven hundred twenty million, seven hundred sixty-three thousand, two hundred twenty-eight".