1045556423 has 8 divisors (see below), whose sum is σ = 1109269728. Its totient is φ = 982088704.

The previous prime is 1045556419. The next prime is 1045556429. The reversal of 1045556423 is 3246555401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1045556423 - 2² = 1045556419 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 (1045556429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52586 + ... + 69687.

It is an arithmetic number, because the mean of its divisors is an integer number (138658716).

Almost surely, 2^1045556423 is an apocalyptic number.

1045556423 is a deficient number, since it is larger than the sum of its proper divisors (63713305).

1045556423 is a wasteful number, since it uses less digits than its factorization.

1045556423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122793.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 1045556423 is about 32335.0649141145. The cubic root of 1045556423 is about 1014.9605404188.

The spelling of 1045556423 in words is "one billion, forty-five million, five hundred fifty-six thousand, four hundred twenty-three".