1045526623 has 4 divisors (see below), whose sum is σ = 1100554360. Its totient is φ = 990498888.

The previous prime is 1045526621. The next prime is 1045526627. The reversal of 1045526623 is 3266255401.

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 1045526623 - 2¹ = 1045526621 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 (1045526621) 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, 27513840 + ... + 27513877.

It is an arithmetic number, because the mean of its divisors is an integer number (275138590).

Almost surely, 2^1045526623 is an apocalyptic number.

1045526623 is a deficient number, since it is larger than the sum of its proper divisors (55027737).

1045526623 is an equidigital number, since it uses as much as digits as its factorization.

1045526623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55027736.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 1045526623 is about 32334.6041107665. The cubic root of 1045526623 is about 1014.9508976707.

The spelling of 1045526623 in words is "one billion, forty-five million, five hundred twenty-six thousand, six hundred twenty-three".