1023541043 has 16 divisors (see below), whose sum is σ = 1233199104. Its totient is φ = 830947680.

The previous prime is 1023541037. The next prime is 1023541061. The reversal of 1023541043 is 3401453201.

It is a cyclic number.

It is not a de Polignac number, because 1023541043 - 2⁶ = 1023540979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023541843) 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, 39980 + ... + 60377.

It is an arithmetic number, because the mean of its divisors is an integer number (77074944).

Almost surely, 2^1023541043 is an apocalyptic number.

1023541043 is a deficient number, since it is larger than the sum of its proper divisors (209658061).

1023541043 is a wasteful number, since it uses less digits than its factorization.

1023541043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100442.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1023541043 is about 31992.8279931612. The cubic root of 1023541043 is about 1007.7862315833.

Adding to 1023541043 its reverse (3401453201), we get a palindrome (4424994244).

The spelling of 1023541043 in words is "one billion, twenty-three million, five hundred forty-one thousand, forty-three".