1146557447023 has 4 divisors (see below), whose sum is σ = 1146559967128. Its totient is φ = 1146554926920.

The previous prime is 1146557447017. The next prime is 1146557447041. The reversal of 1146557447023 is 3207447556411.

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 1146557447023 - 2¹⁷ = 1146557315951 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 (1146557447323) 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, 366288 + ... + 1557973.

It is an arithmetic number, because the mean of its divisors is an integer number (286639991782).

Almost surely, 2^{1146557447023} is an apocalyptic number.

1146557447023 is a deficient number, since it is larger than the sum of its proper divisors (2520105).

1146557447023 is an equidigital number, since it uses as much as digits as its factorization.

1146557447023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520104.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 1146557447023 in words is "one trillion, one hundred forty-six billion, five hundred fifty-seven million, four hundred forty-seven thousand, twenty-three".