1253554423 has 4 divisors (see below), whose sum is σ = 1367513928. Its totient is φ = 1139594920.

The previous prime is 1253554417. The next prime is 1253554429. The reversal of 1253554423 is 3244553521.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1253554417) and next prime (1253554429).

It is a cyclic number.

It is not a de Polignac number, because 1253554423 - 2⁹ = 1253553911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253554429) 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, 56979736 + ... + 56979757.

It is an arithmetic number, because the mean of its divisors is an integer number (341878482).

Almost surely, 2^1253554423 is an apocalyptic number.

1253554423 is a deficient number, since it is larger than the sum of its proper divisors (113959505).

1253554423 is a wasteful number, since it uses less digits than its factorization.

1253554423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113959504.

The product of its digits is 72000, while the sum is 34.

The square root of 1253554423 is about 35405.5705080429. The cubic root of 1253554423 is about 1078.2374150518.

The spelling of 1253554423 in words is "one billion, two hundred fifty-three million, five hundred fifty-four thousand, four hundred twenty-three".