1423225911 has 16 divisors (see below), whose sum is σ = 1951558400. Its totient is φ = 922078080.

The previous prime is 1423225889. The next prime is 1423225919. The reversal of 1423225911 is 1195223241.

It is not a de Polignac number, because 1423225911 - 2¹⁷ = 1423094839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423225919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2050 + ... + 53391.

It is an arithmetic number, because the mean of its divisors is an integer number (121972400).

Almost surely, 2^1423225911 is an apocalyptic number.

1423225911 is a deficient number, since it is larger than the sum of its proper divisors (528332489).

1423225911 is a wasteful number, since it uses less digits than its factorization.

1423225911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55686.

The product of its digits is 4320, while the sum is 30.

The square root of 1423225911 is about 37725.6664752261. Note that the first 3 decimals coincide. The cubic root of 1423225911 is about 1124.8413698310.

The spelling of 1423225911 in words is "one billion, four hundred twenty-three million, two hundred twenty-five thousand, nine hundred eleven".