123540033 has 8 divisors (see below), whose sum is σ = 173389600. Its totient is φ = 78025248.

The previous prime is 123540031. The next prime is 123540047. The reversal of 123540033 is 330045321.

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

It is not a de Polignac number, because 123540033 - 2¹ = 123540031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123539991 and 123540009.

It is not an unprimeable number, because it can be changed into a prime (123540031) 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, 1083628 + ... + 1083741.

It is an arithmetic number, because the mean of its divisors is an integer number (21673700).

Almost surely, 2^123540033 is an apocalyptic number.

It is an amenable number.

123540033 is a deficient number, since it is larger than the sum of its proper divisors (49849567).

123540033 is a wasteful number, since it uses less digits than its factorization.

123540033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167391.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 123540033 is about 11114.8564093289. The cubic root of 123540033 is about 498.0457490914.

Adding to 123540033 its reverse (330045321), we get a palindrome (453585354).

The spelling of 123540033 in words is "one hundred twenty-three million, five hundred forty thousand, thirty-three".