1253544723 has 12 divisors (see below), whose sum is σ = 1818254880. Its totient is φ = 832198416.

The previous prime is 1253544707. The next prime is 1253544731. The reversal of 1253544723 is 3274453521.

1253544723 is a `hidden beast` number, since 12 + 535 + 44 + 72 + 3 = 666.

1253544723 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1253544723 - 2⁴ = 1253544707 is a prime.

It is a super-2 number, since 2×1253544723² = 3142748745122293458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1253544023) 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, 289236 + ... + 293537.

It is an arithmetic number, because the mean of its divisors is an integer number (151521240).

Almost surely, 2^1253544723 is an apocalyptic number.

1253544723 is a deficient number, since it is larger than the sum of its proper divisors (564710157).

1253544723 is a wasteful number, since it uses less digits than its factorization.

1253544723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583018 (or 583015 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 1253544723 is about 35405.4335236839. The cubic root of 1253544723 is about 1078.2346339121.

The spelling of 1253544723 in words is "one billion, two hundred fifty-three million, five hundred forty-four thousand, seven hundred twenty-three".