1152408623 has 16 divisors (see below), whose sum is σ = 1197711360. Its totient is φ = 1107943200.

The previous prime is 1152408619. The next prime is 1152408667. The reversal of 1152408623 is 3268042511.

It is a cyclic number.

It is not a de Polignac number, because 1152408623 - 2² = 1152408619 is a prime.

It is a super-2 number, since 2×1152408623² = 2656091268729512258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1152408623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152408613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1264538 + ... + 1265448.

It is an arithmetic number, because the mean of its divisors is an integer number (74856960).

Almost surely, 2^1152408623 is an apocalyptic number.

1152408623 is a deficient number, since it is larger than the sum of its proper divisors (45302737).

1152408623 is a wasteful number, since it uses less digits than its factorization.

1152408623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1152408623 is about 33947.1445485478. The cubic root of 1152408623 is about 1048.4204892365.

The spelling of 1152408623 in words is "one billion, one hundred fifty-two million, four hundred eight thousand, six hundred twenty-three".