1423522061 has 8 divisors (see below), whose sum is σ = 1539901440. Its totient is φ = 1308125232.

The previous prime is 1423522057. The next prime is 1423522069. The reversal of 1423522061 is 1602253241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1423522061 - 2² = 1423522057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423522061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423522069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242621 + ... + 248418.

It is an arithmetic number, because the mean of its divisors is an integer number (192487680).

Almost surely, 2^1423522061 is an apocalyptic number.

It is an amenable number.

1423522061 is a deficient number, since it is larger than the sum of its proper divisors (116379379).

1423522061 is a wasteful number, since it uses less digits than its factorization.

1423522061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491275.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1423522061 is about 37729.5913176912. The cubic root of 1423522061 is about 1124.9193847749.

The spelling of 1423522061 in words is "one billion, four hundred twenty-three million, five hundred twenty-two thousand, sixty-one".