1423137242 has 16 divisors (see below), whose sum is σ = 2210547240. Its totient is φ = 686337792.

The previous prime is 1423137227. The next prime is 1423137257. The reversal of 1423137242 is 2427313241.

It is an interprime number because it is at equal distance from previous prime (1423137227) and next prime (1423137257).

It can be written as a sum of positive squares in 4 ways, for example, as 1421968681 + 1168561 = 37709^2 + 1081^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48038 + ... + 71790.

Almost surely, 2^1423137242 is an apocalyptic number.

1423137242 is a deficient number, since it is larger than the sum of its proper divisors (787409998).

1423137242 is a wasteful number, since it uses less digits than its factorization.

1423137242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24817.

The product of its digits is 8064, while the sum is 29.

The square root of 1423137242 is about 37724.4912755626. The cubic root of 1423137242 is about 1124.8180096064.

The spelling of 1423137242 in words is "one billion, four hundred twenty-three million, one hundred thirty-seven thousand, two hundred forty-two".