194123711952 has 60 divisors (see below), whose sum is σ = 543368768800. Its totient is φ = 64696947264.

The previous prime is 194123711927. The next prime is 194123711959. The reversal of 194123711952 is 259117321491.

194123711952 is a `hidden beast` number, since 1 + 94 + 1 + 2 + 371 + 195 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 194123711898 and 194123711907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194123711959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 762549 + ... + 984747.

Almost surely, 2^194123711952 is an apocalyptic number.

194123711952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

194123711952 is an abundant number, since it is smaller than the sum of its proper divisors (349245056848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194123711952 is a wasteful number, since it uses less digits than its factorization.

194123711952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228280 (or 228271 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The spelling of 194123711952 in words is "one hundred ninety-four billion, one hundred twenty-three million, seven hundred eleven thousand, nine hundred fifty-two".