1423555245 has 48 divisors (see below), whose sum is σ = 2867829120. Its totient is φ = 639729792.

The previous prime is 1423555241. The next prime is 1423555283. The reversal of 1423555245 is 5425553241.

It is not a de Polignac number, because 1423555245 - 2² = 1423555241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423555241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19714 + ... + 56883.

It is an arithmetic number, because the mean of its divisors is an integer number (59746440).

Almost surely, 2^1423555245 is an apocalyptic number.

1423555245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1423555245 is an abundant number, since it is smaller than the sum of its proper divisors (1444273875).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423555245 is a wasteful number, since it uses less digits than its factorization.

1423555245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76674 (or 76671 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 1423555245 is about 37730.0310760540. The cubic root of 1423555245 is about 1124.9281257786.

The spelling of 1423555245 in words is "one billion, four hundred twenty-three million, five hundred fifty-five thousand, two hundred forty-five".