91014423 has 8 divisors (see below), whose sum is σ = 122308608. Its totient is φ = 60198264.

The previous prime is 91014377. The next prime is 91014449. The reversal of 91014423 is 32441019.

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

It is not a de Polignac number, because 91014423 - 2⁹ = 91013911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91014393 and 91014402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91014463) 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, 119061 + ... + 119822.

It is an arithmetic number, because the mean of its divisors is an integer number (15288576).

Almost surely, 2^91014423 is an apocalyptic number.

91014423 is a deficient number, since it is larger than the sum of its proper divisors (31294185).

91014423 is a wasteful number, since it uses less digits than its factorization.

91014423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239013.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 91014423 is about 9540.1479548275. The cubic root of 91014423 is about 449.8179065724.

The spelling of 91014423 in words is "ninety-one million, fourteen thousand, four hundred twenty-three".