1423121332 has 6 divisors (see below), whose sum is σ = 2490462338. Its totient is φ = 711560664.

The previous prime is 1423121317. The next prime is 1423121351. The reversal of 1423121332 is 2331213241.

It can be written as a sum of positive squares in only one way, i.e., 715348516 + 707772816 = 26746^2 + 26604^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177890163 + ... + 177890170.

Almost surely, 2^1423121332 is an apocalyptic number.

It is an amenable number.

1423121332 is a deficient number, since it is larger than the sum of its proper divisors (1067341006).

1423121332 is a wasteful number, since it uses less digits than its factorization.

1423121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355780337 (or 355780335 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 1423121332 is about 37724.2804040051. The cubic root of 1423121332 is about 1124.8138179467.

Adding to 1423121332 its reverse (2331213241), we get a palindrome (3754334573).

The spelling of 1423121332 in words is "one billion, four hundred twenty-three million, one hundred twenty-one thousand, three hundred thirty-two".