140774823 has 24 divisors (see below), whose sum is σ = 237339648. Its totient is φ = 78729552.

The previous prime is 140774783. The next prime is 140774863. The reversal of 140774823 is 328477041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140774783) and next prime (140774863).

It is not a de Polignac number, because 140774823 - 2⁶ = 140774759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140774863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20811 + ... + 26732.

It is an arithmetic number, because the mean of its divisors is an integer number (9889152).

Almost surely, 2^140774823 is an apocalyptic number.

140774823 is a deficient number, since it is larger than the sum of its proper divisors (96564825).

140774823 is a wasteful number, since it uses less digits than its factorization.

140774823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47603 (or 47600 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 140774823 is about 11864.8566363020. The cubic root of 140774823 is about 520.2055683781.

The spelling of 140774823 in words is "one hundred forty million, seven hundred seventy-four thousand, eight hundred twenty-three".