545547723 has 12 divisors (see below), whose sum is σ = 846155880. Its totient is φ = 311741472.

The previous prime is 545547719. The next prime is 545547767. The reversal of 545547723 is 327745545.

It is not a de Polignac number, because 545547723 - 2² = 545547719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545547773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1855458 + ... + 1855751.

It is an arithmetic number, because the mean of its divisors is an integer number (70512990).

Almost surely, 2^545547723 is an apocalyptic number.

545547723 is a deficient number, since it is larger than the sum of its proper divisors (300608157).

545547723 is a wasteful number, since it uses less digits than its factorization.

545547723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711226 (or 3711219 counting only the distinct ones).

The product of its digits is 588000, while the sum is 42.

The square root of 545547723 is about 23356.9630517326. The cubic root of 545547723 is about 817.1044627714.

The spelling of 545547723 in words is "five hundred forty-five million, five hundred forty-seven thousand, seven hundred twenty-three".