1423215783 has 24 divisors (see below), whose sum is σ = 2245226880. Its totient is φ = 861561360.

The previous prime is 1423215769. The next prime is 1423215793. The reversal of 1423215783 is 3875123241.

1423215783 is a `hidden beast` number, since 1 + 423 + 2 + 157 + 83 = 666.

It is not a de Polignac number, because 1423215783 - 2¹⁷ = 1423084711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423215743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83160 + ... + 98802.

It is an arithmetic number, because the mean of its divisors is an integer number (93551120).

Almost surely, 2^1423215783 is an apocalyptic number.

1423215783 is a deficient number, since it is larger than the sum of its proper divisors (822011097).

1423215783 is a wasteful number, since it uses less digits than its factorization.

1423215783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16579 (or 16576 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 1423215783 is about 37725.5322427663. The cubic root of 1423215783 is about 1124.8387016155.

The spelling of 1423215783 in words is "one billion, four hundred twenty-three million, two hundred fifteen thousand, seven hundred eighty-three".