1923451254148 has 12 divisors (see below), whose sum is σ = 3366539376732. Its totient is φ = 961582860800.

The previous prime is 1923451254107. The next prime is 1923451254187. The reversal of 1923451254148 is 8414521543291.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 463491363204 + 1459959890944 = 680802^2 + 1208288^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35661253 + ... + 35715148.

It is an arithmetic number, because the mean of its divisors is an integer number (280544948061).

Almost surely, 2^{1923451254148} is an apocalyptic number.

It is an amenable number.

1923451254148 is a deficient number, since it is larger than the sum of its proper divisors (1443088122584).

1923451254148 is a wasteful number, since it uses less digits than its factorization.

1923451254148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71383142 (or 71383140 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 49.

The spelling of 1923451254148 in words is "one trillion, nine hundred twenty-three billion, four hundred fifty-one million, two hundred fifty-four thousand, one hundred forty-eight".