1152323651 has 4 divisors (see below), whose sum is σ = 1152844704. Its totient is φ = 1151802600.

The previous prime is 1152323603. The next prime is 1152323657. The reversal of 1152323651 is 1563232511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1152323651 - 2⁶ = 1152323587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152323657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257195 + ... + 261636.

It is an arithmetic number, because the mean of its divisors is an integer number (288211176).

Almost surely, 2^1152323651 is an apocalyptic number.

1152323651 is a deficient number, since it is larger than the sum of its proper divisors (521053).

1152323651 is an equidigital number, since it uses as much as digits as its factorization.

1152323651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521052.

The product of its digits is 5400, while the sum is 29.

The square root of 1152323651 is about 33945.8929916419. The cubic root of 1152323651 is about 1048.3947204326.

The spelling of 1152323651 in words is "one billion, one hundred fifty-two million, three hundred twenty-three thousand, six hundred fifty-one".