149111023 has 8 divisors (see below), whose sum is σ = 156446336. Its totient is φ = 141933600.

The previous prime is 149110991. The next prime is 149111033. The reversal of 149111023 is 320111941.

149111023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 149111023 - 2⁵ = 149110991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149110985 and 149111003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149111033) 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, 37536 + ... + 41317.

It is an arithmetic number, because the mean of its divisors is an integer number (19555792).

Almost surely, 2^149111023 is an apocalyptic number.

149111023 is a deficient number, since it is larger than the sum of its proper divisors (7335313).

149111023 is an equidigital number, since it uses as much as digits as its factorization.

149111023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78945.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 149111023 is about 12211.1024481821. The cubic root of 149111023 is about 530.2775607986.

Adding to 149111023 its reverse (320111941), we get a palindrome (469222964).

The spelling of 149111023 in words is "one hundred forty-nine million, one hundred eleven thousand, twenty-three".