1154743451323 has 16 divisors (see below), whose sum is σ = 1445653946880. Its totient is φ = 896066467200.

The previous prime is 1154743451291. The next prime is 1154743451371. The reversal of 1154743451323 is 3231543474511.

It is a cyclic number.

It is not a de Polignac number, because 1154743451323 - 2⁵ = 1154743451291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1154743451323.

It is not an unprimeable number, because it can be changed into a prime (1154743151323) 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, 31094863 + ... + 31131976.

It is an arithmetic number, because the mean of its divisors is an integer number (90353371680).

Almost surely, 2^{1154743451323} is an apocalyptic number.

1154743451323 is a deficient number, since it is larger than the sum of its proper divisors (290910495557).

1154743451323 is a wasteful number, since it uses less digits than its factorization.

1154743451323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62227098.

The product of its digits is 604800, while the sum is 43.

The spelling of 1154743451323 in words is "one trillion, one hundred fifty-four billion, seven hundred forty-three million, four hundred fifty-one thousand, three hundred twenty-three".