1253460023 has 4 divisors (see below), whose sum is σ = 1255156920. Its totient is φ = 1251763128.

The previous prime is 1253459969. The next prime is 1253460037. The reversal of 1253460023 is 3200643521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3200643521 = 149 ⋅21480829.

It is a cyclic number.

It is not a de Polignac number, because 1253460023 - 2¹² = 1253455927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1253459974 and 1253460001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253460073) 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, 847340 + ... + 848817.

It is an arithmetic number, because the mean of its divisors is an integer number (313789230).

Almost surely, 2^1253460023 is an apocalyptic number.

1253460023 is a deficient number, since it is larger than the sum of its proper divisors (1696897).

1253460023 is an equidigital number, since it uses as much as digits as its factorization.

1253460023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696896.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1253460023 is about 35404.2373593896. The cubic root of 1253460023 is about 1078.2103485054.

The spelling of 1253460023 in words is "one billion, two hundred fifty-three million, four hundred sixty thousand, twenty-three".