961423719 has 16 divisors (see below), whose sum is σ = 1318055424. Its totient is φ = 622987200.

The previous prime is 961423717. The next prime is 961423741. The reversal of 961423719 is 917324169.

It is not a de Polignac number, because 961423719 - 2¹ = 961423717 is a prime.

It is a super-2 number, since 2×961423719² = 1848671134911581922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961423711) 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, 18912 + ... + 47754.

It is an arithmetic number, because the mean of its divisors is an integer number (82378464).

Almost surely, 2^961423719 is an apocalyptic number.

961423719 is a deficient number, since it is larger than the sum of its proper divisors (356631705).

961423719 is a wasteful number, since it uses less digits than its factorization.

961423719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29158.

The product of its digits is 81648, while the sum is 42.

The square root of 961423719 is about 31006.8334242631. The cubic root of 961423719 is about 986.9722545474.

It can be divided in two parts, 9614 and 23719, that added together give a palindrome (33333).

The spelling of 961423719 in words is "nine hundred sixty-one million, four hundred twenty-three thousand, seven hundred nineteen".