823452152 has 8 divisors (see below), whose sum is σ = 1543972800. Its totient is φ = 411726072.

The previous prime is 823452139. The next prime is 823452251. The reversal of 823452152 is 251254328.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×823452152² = 1356146893266862208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51465752 + ... + 51465767.

It is an arithmetic number, because the mean of its divisors is an integer number (192996600).

Almost surely, 2^823452152 is an apocalyptic number.

It is an amenable number.

823452152 is a deficient number, since it is larger than the sum of its proper divisors (720520648).

823452152 is a wasteful number, since it uses less digits than its factorization.

823452152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102931525 (or 102931521 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 823452152 is about 28695.8560074447. The cubic root of 823452152 is about 937.3018113086.

The spelling of 823452152 in words is "eight hundred twenty-three million, four hundred fifty-two thousand, one hundred fifty-two".