1423945154 has 16 divisors (see below), whose sum is σ = 2166720000. Its totient is φ = 701719200.

The previous prime is 1423945121. The next prime is 1423945163. The reversal of 1423945154 is 4515493241.

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, 282347 + ... + 287345.

It is an arithmetic number, because the mean of its divisors is an integer number (135420000).

Almost surely, 2^1423945154 is an apocalyptic number.

1423945154 is a deficient number, since it is larger than the sum of its proper divisors (742774846).

1423945154 is a wasteful number, since it uses less digits than its factorization.

1423945154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025.

The product of its digits is 86400, while the sum is 38.

The square root of 1423945154 is about 37735.1978131823. The cubic root of 1423945154 is about 1125.0308216082.

The spelling of 1423945154 in words is "one billion, four hundred twenty-three million, nine hundred forty-five thousand, one hundred fifty-four".