1423945460 has 24 divisors (see below), whose sum is σ = 3417469440. Its totient is φ = 488209824.

The previous prime is 1423945451. The next prime is 1423945487. The reversal of 1423945460 is 645493241.

It is a super-2 number, since 2×1423945460² = 4055241346109223200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5085380 + ... + 5085659.

It is an arithmetic number, because the mean of its divisors is an integer number (142394560).

Almost surely, 2^1423945460 is an apocalyptic number.

1423945460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423945460 is an abundant number, since it is smaller than the sum of its proper divisors (1993523980).

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

1423945460 is a wasteful number, since it uses less digits than its factorization.

1423945460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10171055 (or 10171053 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 1423945460 is about 37735.2018677521. The cubic root of 1423945460 is about 1125.0309021964.

The spelling of 1423945460 in words is "one billion, four hundred twenty-three million, nine hundred forty-five thousand, four hundred sixty".