1145922623 has 4 divisors (see below), whose sum is σ = 1206234360. Its totient is φ = 1085610888.

The previous prime is 1145922611. The next prime is 1145922647. The reversal of 1145922623 is 3262295411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3262295411 = 14387 ⋅226753.

It is a cyclic number.

It is not a de Polignac number, because 1145922623 - 2⁴ = 1145922607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145922023) 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, 30155840 + ... + 30155877.

It is an arithmetic number, because the mean of its divisors is an integer number (301558590).

Almost surely, 2^1145922623 is an apocalyptic number.

1145922623 is a deficient number, since it is larger than the sum of its proper divisors (60311737).

1145922623 is an equidigital number, since it uses as much as digits as its factorization.

1145922623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60311736.

The product of its digits is 25920, while the sum is 35.

The square root of 1145922623 is about 33851.4788894075. The cubic root of 1145922623 is about 1046.4498766774.

The spelling of 1145922623 in words is "one billion, one hundred forty-five million, nine hundred twenty-two thousand, six hundred twenty-three".