1450649723 has 4 divisors (see below), whose sum is σ = 1474430928. Its totient is φ = 1426868520.

The previous prime is 1450649701. The next prime is 1450649749. The reversal of 1450649723 is 3279460541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1450649723 - 2²² = 1446455419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1450649773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11890511 + ... + 11890632.

It is an arithmetic number, because the mean of its divisors is an integer number (368607732).

Almost surely, 2^1450649723 is an apocalyptic number.

1450649723 is a deficient number, since it is larger than the sum of its proper divisors (23781205).

1450649723 is an equidigital number, since it uses as much as digits as its factorization.

1450649723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23781204.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 1450649723 is about 38087.3958547969. The cubic root of 1450649723 is about 1132.0202258349.

The spelling of 1450649723 in words is "one billion, four hundred fifty million, six hundred forty-nine thousand, seven hundred twenty-three".