1423012332 has 48 divisors (see below), whose sum is σ = 3872153600. Its totient is φ = 406573776.

The previous prime is 1423012321. The next prime is 1423012337. The reversal of 1423012332 is 2332103241.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1423012299 and 1423012308.

It is not an unprimeable number, because it can be changed into a prime (1423012337) 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, 168748 + ... + 176979.

Almost surely, 2^1423012332 is an apocalyptic number.

1423012332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1423012332 is an abundant number, since it is smaller than the sum of its proper divisors (2449141268).

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

1423012332 is a wasteful number, since it uses less digits than its factorization.

1423012332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345755 (or 345739 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1423012332 is about 37722.8356834425. The cubic root of 1423012332 is about 1124.7850998902.

Adding to 1423012332 its reverse (2332103241), we get a palindrome (3755115573).

Subtracting 1423012332 from its reverse (2332103241), we obtain a palindrome (909090909).

It can be divided in two parts, 14230 and 12332, that added together give a palindrome (26562).

The spelling of 1423012332 in words is "one billion, four hundred twenty-three million, twelve thousand, three hundred thirty-two".